| W | L | ERA | G | GS | SV | IP | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|
| 2024 | 0 | 1 | 6.00 | 4 | 4 | 0 | 9 | 11 | 2.22 |
| Career Minors | 5 | 10 | 3.02 | 41 | 41 | 0 | 140 | 226 | 1.08 |
| G | W-L | ERA | IP | SO | WHIP | |
|---|---|---|---|---|---|---|
| 2024 | 4 | 0-1 | 6.00 | 9 | 11 | 2.22 |
| Career Minors | 41 | 5-10 | 3.02 | 140 | 226 | 1.08 |
| Season | Tm | LG | L | W | L | ERA | G | GS | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 3 Teams | Minors | 5 | 4 | 2.17 | 18 | 18 | 0 | 78.2 | 39 | 22 | 19 | 3 | 29 | 117 | 0.86 | |
| 2022 | Dunedin Blue Jays | FSL | A | 3 | 1 | 1.80 | 6 | 6 | 0 | 30.0 | 11 | 6 | 6 | 1 | 13 | 49 | 0.80 |
| 2022 | Vancouver Canadians | NWL | A+ | 2 | 2 | 2.39 | 8 | 8 | 0 | 37.2 | 23 | 12 | 10 | 2 | 12 | 54 | 0.93 |
| 2022 | New Hampshire Fisher Cats | EAS | AA | 0 | 1 | 2.45 | 4 | 4 | 0 | 11.0 | 5 | 4 | 3 | 0 | 4 | 14 | 0.82 |
| 2023 | 4 Teams | Minors | 0 | 5 | 3.68 | 15 | 15 | 0 | 44.0 | 31 | 23 | 18 | 1 | 23 | 82 | 1.23 | |
| 2023 | FCL Blue Jays | FCL | ROK | 0 | 0 | 0.00 | 1 | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.00 |
| 2023 | Dunedin Blue Jays | FSL | A | 0 | 0 | 0.00 | 2 | 2 | 0 | 6.0 | 1 | 0 | 0 | 0 | 1 | 15 | 0.33 |
| 2023 | New Hampshire Fisher Cats | EAS | AA | 0 | 5 | 5.06 | 11 | 11 | 0 | 32.0 | 28 | 22 | 18 | 1 | 20 | 58 | 1.50 |
| 2023 | Buffalo Bisons | INT | AAA | 0 | 0 | 0.00 | 1 | 1 | 0 | 4.0 | 2 | 1 | 0 | 0 | 2 | 6 | 1.00 |
| 2024 | 3 Teams | Minors | 0 | 1 | 5.19 | 8 | 8 | 0 | 17.1 | 13 | 10 | 10 | 4 | 16 | 27 | 1.67 | |
| 2024 | FCL Blue Jays | FCL | ROK | 0 | 0 | 81.00 | 1 | 1 | 0 | 0.1 | 2 | 3 | 3 | 0 | 2 | 1 | 12.00 |
| 2024 | Dunedin Blue Jays | FSL | A | 0 | 0 | 1.13 | 3 | 3 | 0 | 8.0 | 3 | 1 | 1 | 1 | 2 | 15 | 0.63 |
| 2024 | Buffalo Bisons | INT | AAA | 0 | 1 | 6.00 | 4 | 4 | 0 | 9.0 | 8 | 6 | 6 | 3 | 12 | 11 | 2.22 |
| FCL Blue Jays | FCL | ROK | 0 | 0 | 11.57 | 2 | 2 | 0 | 2.1 | 2 | 3 | 3 | 0 | 2 | 4 | 1.71 | |
| Buffalo Bisons | INT | AAA | 0 | 1 | 4.15 | 5 | 5 | 0 | 13.0 | 10 | 7 | 6 | 3 | 14 | 17 | 1.85 | |
| New Hampshire Fisher Cats | EAS | AA | 0 | 6 | 4.40 | 15 | 15 | 0 | 43.0 | 33 | 26 | 21 | 1 | 24 | 72 | 1.33 | |
| Vancouver Canadians | NWL | A+ | 2 | 2 | 2.39 | 8 | 8 | 0 | 37.2 | 23 | 12 | 10 | 2 | 12 | 54 | 0.93 | |
| Dunedin Blue Jays | FSL | A | 3 | 1 | 1.43 | 11 | 11 | 0 | 44.0 | 15 | 7 | 7 | 2 | 16 | 79 | 0.70 | |
| Career Minors | 5 Teams | 5 | 10 | 3.02 | 41 | 41 | 0 | 140.0 | 83 | 55 | 47 | 8 | 68 | 226 | 1.08 |
Scouting grades: Fastball: 55 | Slider: 50 | Changeup: 55 | Control: 50 | Overall: 45
While the 2020 amateur season was cut short because of the pandemic, Tiedemann did manage to become a bit of a pop-up prospect who rose into MLB Pipeline’s Top 100 prior to last year’s Draft. The younger brother of Rangers Minor League right-hander Tai Tiedemann went undrafted in the five-round event and rather than head to San Diego State, he switched gears to Long Beach Junior College in order to be eligible this year. When Long Beach cancelled spring sports because of COVID-19, Tiedemann was on the move again, this time to Golden West College.
Tiedemann’s overall profile of solid stuff, size and athleticism hasn’t changed much in a year’s time, but there’s plenty to like. His fastball sits in the low-90s and will bump 93-94 mph at times, with more in the tank as he continues to add strength to his 6-foot-4 frame. His changeup flashes plus and his slider has gotten a bit tighter and more effective.
A good athlete who hit in the middle of his high school lineup, Tiedemann should be able to continue throwing strikes even if he starts throwing harder. He still hasn’t been seen a ton, but given how hard it is to find projectable left-handed starters, scouts will be paying many visits to Golden West to see if Tiedemann is worthy of a top three or four round selection.
Scouting grades: Fastball: 60 | Slider: 60 | Changeup: 60 | Control: 45 | Overall: 50
A dominant arm in his one year at Golden West (Junior) College (Huntington Beach, Calif.), Tiedemann joined the Blue Jays as a third-round pick in 2021 and quickly broke out by striking out 117 batters over 78 2/3 innings across three levels in his first full season. Shoulder and biceps issues limited him to only 44 frames while topping out at Triple-A during the regular season in 2023, but he still managed to finish with a 44.1 percent K rate that ranked second among 1,832 Minor Leaguers with at least 40 innings. He made up for the lost time by looking healthy and productive in the Arizona Fall League, where he was named the circuit’s Pitcher of the Year. Tiedemann opened 2024 with Triple-A Buffalo but struggled with health all summer and ultimately needed Tommy John surgery in July.
The 6-foot-4 left-hander can run his fastball up to 98 mph and it generally sat at 93-96 over the top two levels of the Minors this past summer. His low three-quarters arm slot helps the heater play above the velocity too, making the four-seam a true plus pitch. His swings-and-misses, however, come from the offspeed -- a low-80s sweeping slider that has gotten better in pro ball and a mid-80s changeup that can dive below bats. He does well against fellow lefties but was an absolute menace against opposite-side batters in 2023, holding them to a .186 average and a .196 slugging percentage over 123 plate appearances.
The length of Tiedemann’s delivery has led to some control issues, and his walk rate climbed from 9.6 percent in 2022 to 12.4 in 2023. That control will be worth monitoring when he returns in late 2025 at the absolute earliest, and it likely won’t be until 2026 that he can truly push for a Major League debut at last.
Scouting grades: Fastball: 65 | Slider: 55 | Changeup: 70 | Control: 50 | Overall: 55
Originally a San Diego commit headed into the fall of 2020, Tiedemann chose to go the JuCo route instead, eventually landing at Golden West College. The southpaw struck out 60 batters in 38 innings as a freshman, prompting the Blue Jays to take him in the 2021 third round and sign him for around slot at $644,800. Tiedemann started showing signs of a breakout in the spring before his first full season and carried that improved stuff into the summer, when he posted a 2.17 ERA with 117 strikeouts in 78 2/3 innings across three levels, ending at Double-A New Hampshire.
While he sat around 93-94 mph as an amateur, the 6-foot-4 lefty started being around 95-96 mph, touching higher, with his heater after adding muscle in the offseason. The pitch has some sink to it as well and helped Tiedemann force healthy amounts of ground-ball contact. That said, his mid-80s, diving changeup has become arguably his best pitch with the way it generates whiffs, and that helped him limit righties to a .153 average in 2022. His low-80s, sweeping slider shows plus potential, though it needs to be a little more consistent to give Tiedemann his true third weapon.
Beyond being difficult to touch, Tiedemann’s control should continue to improve as he gains experience in his delivery, which includes some long levers and a lower arm slot. The next step is adding innings after Toronto carefully managed the California native, including with a brief midseason pause in Florida in 2022. Biceps issues have limited Tiedemann this season, but longer, more frequent starts in the future will keep him on a trajectory toward being a possible No. 2 starter in the bigs.
Scouting grades: Fastball: 60 | Slider: 55 | Changeup: 55 | Control: 50 | Overall: 55
After going undrafted in the five-round 2020 Draft, Tiedemann changed his commitment from San Diego State to attend Long Beach Junior College, making him eligible for the ’21 Draft. Long Beach soon cancelled spring sports due to COVID-19, though, and Tiedemann was on the move again, landing at Golden West College. The end result paid off, though, as the Blue Jays scooped up Tiedemann in the third round and signed him to a bonus of $644,800.
After not having much of a detailed strength or throwing program prior to the Draft, Tiedemann took off once the Blue Jays got him into their new player development complex. The lefty added more muscle to his 6-foot-4 frame and his velocity ticked up from the 93-94 range pre-draft, now sitting at 95-96 mph and reaching higher. Tiedemann also mixes in a mid-80s circle change with plus potential and a low-80s slider that’s progressed since he joined the club. That hard slider, in particular, will be key to keeping hitters off his plus fastball. All three pitches have been major parts of Tiedemann’s breakout 2022 season in which he’s climbed from Single-A to Double-A.
With as much upward momentum as any prospect in the organization, Tiedemann has already accelerated his development timeline significantly. The Jays have tried to manage Tiedemann’s workload some -- giving him a midseason pause in Florida before his ascent to New Hampshire -- and that’s about the only thing that’s held him back. With his ability to generate whiffs with a stellar three-pitch mix, Tiedemann has quickly become one of the game’s best pitching prospects.
Scouting grades: Fastball: 55 | Slider: 50 | Changeup: 55 | Control: 50 | Overall: 45
While the 2020 amateur season was cut short because of the pandemic, Tiedemann did manage to become a bit of a pop-up prospect who rose into MLB Pipeline’s Top 100 prior to last year’s Draft. The younger brother of Rangers Minor League right-hander Tai Tiedemann went undrafted in the five-round event and rather than head to San Diego State, he switched gears to Long Beach Junior College in order to be eligible in 2021. When Long Beach cancelled spring sports because of COVID-19, Tiedemann was on the move again, this time to Golden West College. The move paid off when Toronto took him in the third round and signed him for right around slot at $644,800.
Tiedemann’s overall profile of solid stuff, size and athleticism hasn’t changed much since he missed out on the 2020 Draft, but there’s plenty to like. His fastball sits in the low-90s and will bump 93-94 mph at times, with more in the tank as he continues to add strength to his 6-foot-4 frame. His changeup flashes plus, and his slider has gotten a bit tighter and more effective.
A good athlete who hit in the middle of his high school lineup, Tiedemann should be able to continue throwing strikes even if he starts throwing harder. He still only turns 19 this August and will be given a long leash in the Toronto system to find a spot in a future Jays rotation.
| Year | Team |
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| 2023 |
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| Year | Team |
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| 2023 |
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| 2022 |
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| Week | Team |
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| 10/07/2023 |
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| Year | Team |
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| 2022 |
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| Month | Team |
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| 04/2022 |
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| Team | Date | Transaction |
|---|---|---|
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11/03/2024 | Buffalo Bisons activated LHP Ricky Tiedemann from the full-season injured list. |
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07/29/2024 | Buffalo Bisons placed LHP Ricky Tiedemann on the full-season injured list. |
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07/12/2024 | Buffalo Bisons placed LHP Ricky Tiedemann on the 7-day injured list. |
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07/10/2024 | Buffalo Bisons activated LHP Ricky Tiedemann from the 7-day injured list. |
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07/03/2024 | Buffalo Bisons sent LHP Ricky Tiedemann on a rehab assignment to Dunedin Blue Jays. |
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06/29/2024 | Buffalo Bisons sent LHP Ricky Tiedemann on a rehab assignment to FCL Blue Jays. |
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06/28/2024 | Buffalo Bisons sent LHP Ricky Tiedemann on a rehab assignment to FCL Blue Jays. |
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06/20/2024 | Buffalo Bisons sent LHP Ricky Tiedemann on a rehab assignment to Dunedin Blue Jays. |
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06/14/2024 | Buffalo Bisons sent LHP Ricky Tiedemann on a rehab assignment to FCL Blue Jays. |
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04/18/2024 | Buffalo Bisons placed LHP Ricky Tiedemann on the 7-day injured list. |
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02/05/2024 | Toronto Blue Jays invited non-roster LHP Ricky Tiedemann to spring training. |
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09/22/2023 | LHP Ricky Tiedemann assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
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09/22/2023 | Surprise Saguaros activated LHP Ricky Tiedemann. |
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08/11/2023 | New Hampshire Fisher Cats activated LHP Ricky Tiedemann from the 7-day injured list. |
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07/28/2023 | New Hampshire Fisher Cats sent LHP Ricky Tiedemann on a rehab assignment to Dunedin Blue Jays. |
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07/21/2023 | New Hampshire Fisher Cats sent LHP Ricky Tiedemann on a rehab assignment to FCL Blue Jays. |
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07/21/2023 | New Hampshire Fisher Cats sent LHP Ricky Tiedemann on a rehab assignment to FCL Blue Jays. |
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05/05/2023 | New Hampshire Fisher Cats placed LHP Ricky Tiedemann on the 7-day injured list. |
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04/13/2023 | New Hampshire Fisher Cats activated LHP Ricky Tiedemann from the 7-day injured list. |
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04/13/2023 | New Hampshire Fisher Cats placed LHP Ricky Tiedemann on the 7-day injured list. |
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04/06/2023 | New Hampshire Fisher Cats placed LHP Ricky Tiedemann on the 7-day injured list. |
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01/30/2023 | Toronto Blue Jays invited non-roster LHP Ricky Tiedemann to spring training. |
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01/30/2023 | LHP Ricky Tiedemann roster status changed by Toronto Blue Jays. |
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10/12/2022 | New Hampshire Fisher Cats activated LHP Ricky Tiedemann. |
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10/12/2022 | New Hampshire Fisher Cats activated LHP Ricky Tiedemann. |
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08/28/2022 | New Hampshire Fisher Cats transferred LHP Ricky Tiedemann to the Development List. |
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08/05/2022 | LHP Ricky Tiedemann assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
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07/22/2022 | Vancouver Canadians transferred LHP Ricky Tiedemann to the Development List. |
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07/19/2022 | Vancouver Canadians placed LHP Ricky Tiedemann on the temporarily inactive list. |
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07/14/2022 | Vancouver Canadians placed LHP Ricky Tiedemann on the temporarily inactive list. |
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07/07/2022 | American League Futures activated LHP Ricky Tiedemann. |
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07/07/2022 | LHP Ricky Tiedemann assigned to American League Futures. |
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05/14/2022 | LHP Ricky Tiedemann assigned to Vancouver Canadians from Dunedin Blue Jays. |
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04/05/2022 | LHP Ricky Tiedemann assigned to Dunedin Blue Jays from Blue Jays Organization. |
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08/17/2021 | LHP Ricky Tiedemann assigned to Blue Jays Organization. |
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07/21/2021 | Toronto Blue Jays signed LHP Ricky Tiedemann. |
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07/09/2021 | LHP Ricky Tiedemann and assigned to College Workout. |
