Bruce Zimmermann
P | Bats/Throws: L/L | 6' 1" 220LBS | Age: 29
Draft: 2017 | Rd: 5, #140, Atlanta Braves | Mount Olive (NC)
W L ERA G GS SV IP SO WHIP
2021 4 5 5.04 14 13 0 64.1 56 1.51
2022 2 5 5.99 15 13 0 73.2 49 1.48
2023 2 0 4.73 7 0 0 13.1 14 1.28
4 Seasons 8 10 5.57 38 27 0 158.1 126 1.46
G W-L ERA IP SO WHIP
2021 14 4-5 5.04 64.1 56 1.51
2022 15 2-5 5.99 73.2 49 1.48
2023 7 2-0 4.73 13.1 14 1.28
4 Seasons 38 8-10 5.57 158.1 126 1.46
MLB Percentile Rankings
Movement Profile (Induced Break)
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Statcast Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
LA Sweet-
Spot %
XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2020 25 107 20 2 10.0 6.5 95.0 108.8 12.4 25.0 .244 .492 .334 .363 .420 45.0 22.6 6.5 7.71 5.81
2021 26 1105 205 20 9.8 7.0 91.0 119.3 13.7 37.1 .293 .531 .359 .378 .445 44.9 19.6 7.7 5.04 6.39
2022 27 1130 257 34 13.2 10.6 91.1 115.4 14.0 39.3 .301 .555 .407 .381 .437 42.8 15.3 3.8 5.99 6.41
2023 28 215 45 4 8.9 6.6 88.2 109.7 7.8 33.3 .253 .418 .343 .294 .367 42.2 23.0 0.0 4.72 3.61
Player 2557 527 60 11.4 8.6 91.0 119.3 13.3 37.4 .291 .530 .378 .371 .434 43.6 18.1 5.2
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .406 .316 .315 .369 36.5 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Zimmermann relies on 5 pitches.
Slider
(39.5%) ,
Changeup
(23.3%) ,
Sinker
(14.0%) ,
Curveball
(13.0%) ,
Four Seamer
(10.2%) ,


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Pitch Tracking



Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2020 50.0 35.0 15.0 0.0 55.0 20.0 25.0 0.0 30.0 25.0 25.0 10.0 10.0 6.5
2021 41.0 23.9 27.3 7.8 45.4 39.0 15.6 3.9 29.3 23.9 25.9 7.3 9.8 7.0
2022 40.1 27.6 25.7 6.6 46.3 34.2 19.5 2.3 28.8 24.1 24.1 6.2 13.2 10.6
2023 51.1 22.2 20.0 6.7 44.4 28.9 26.7 2.2 37.8 17.8 24.4 8.9 8.9 6.6
Player 41.7 26.0 25.4 6.8 46.1 35.1 18.8 2.8 29.8 23.5 24.9 7.0 11.4 8.6
MLB 44.4 23.8 24.7 7.1 37.2 37.5 25.2 3.9 32.6 24.8 24.4 5.9 7.0 4.8
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: This section shows two different ways to evaluate pitch movement. On the left, “Total Movement” shows the real-world movement of a pitch, including the forces of gravity, which affects every pitch thrown. Since gravity requires time, and slower pitches aren't 'better' just because they have more time to move, a pitch's movement is compared to other pitches of the same pitch type, within +/- 2 MPH and +/- 0.5 feet of extension/release. On the right, Induced Movement (or IVB) is reported without gravity, and attempts to isolate movement created by the pitcher's ability to spin and manipulate the ball.
Total Movement (in inches, w/ gravity)Induced Movement (in inches, w/o gravity)
YearPitchTeamHand#MPHVertical
Drop
vs.
Comparable
Horizontal
Break
vs.
Comparable
Vertical
Break
vs. AvgHorizontal
Break
vs. Avg
2023 Curveball BAL L 28 81.3 52.2 0.8 6.2GLV -1.3 -10.6 2.2 6.2GLV -1.5
2023 Changeup BAL L 50 84.6 30.6 -0.8 16.8ARM 2.8 7.6 -1.3 16.8ARM 2.8
2023 Slider BAL L 85 84.8 39.7 3.0 1.3ARM -6.2 -1.5 3.2 1.3ARM -6.6
2023 Sinker BAL L 30 90.2 25.7 1.8 13.1ARM -1.3 7.8 0.5 13.1ARM -1.9
2023 4-Seam Fastball BAL L 22 90.1 19.8 -2.6 5.4ARM -0.4 13.7 -1.6 5.4ARM -2.5
2022 Slider BAL L 206 85.1 34.7 -1.5 1.2ARM -6.2 3.1 -1.2 1.2ARM -6.1
2022 Curveball BAL L 150 81.1 48.8 -3.4 1.6GLV -5.7 -7.1 -1.7 1.6GLV -6.7
2022 4-Seam Fastball BAL L 328 90.6 16.6 -0.3 7.9ARM 1.7 16.7 0.7 7.9ARM 0.3
2022 Changeup BAL L 332 84.6 28.3 -2.4 16.7ARM 2.9 10.0 -3.2 16.7ARM 2.4
2022 Sinker BAL L 114 90.5 23.3 0.4 14.4ARM 0.4 10.1 -1.2 14.4ARM -0.8
2021 Curveball BAL L 147 81.9 46.9 -4.1 1.1GLV -6.2 -6.1 -2.6 1.1GLV -6.8
2021 Changeup BAL L 285 84.4 28.2 -2.1 16.4ARM 2.7 10.3 -2.5 16.4ARM 2.5
2021 Slider BAL L 207 86.1 33.9 -0.8 1.3ARM -5.6 3.0 -1.4 1.3ARM -6.1
2021 4-Seam Fastball BAL L 466 91.4 16.5 -0.9 6.3ARM -0.3 16.2 0.1 6.3ARM -1.3
2020 Slider BAL L 15 84.3 38.8 1.8 1.0ARM -5.9 -0.3 1.6 1.0ARM -6.1
2020 Changeup BAL L 26 84.6 26.0 -4.2 15.4ARM 2.4 12.3 -4.5 15.4ARM 1.8
2020 4-Seam Fastball BAL L 55 91.4 16.8 -0.7 7.9ARM 1.3 16.0 0.0 7.9ARM 0.4
2020 Curveball BAL L 11 81.9 46.6 -3.6 2.9GLV -4.7 -5.8 -3.0 2.9GLV -5.3
! Note: Years are in reverse order.
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Run Values by Pitch Type

Year Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2023 Slider 4.7 4 85 39.5 25 .200 .360 .238 48.9 40.0 37.0 .160 .262 .178 40.0
2023 Changeup 0.5 0 50 23.3 12 .333 .333 .375 25.0 8.3 8.3 .358 .520 .376 27.3
2023 Sinker 1.7 1 30 14.0 8 .429 .429 .450 16.7 0.0 -- .493 .559 .403 75.0
2023 Curveball -7.2 -2 28 13.0 9 .333 .778 .461 20.0 33.3 27.3 .139 .366 .208 33.3
2023 4-Seam Fastball -15.0 -3 22 10.2 7 .400 1.200 .664 11.1 0.0 0.0 .341 .851 .549 40.0
2022 Changeup -1.8 -6 332 29.4 109 .305 .562 .392 18.4 13.8 14.9 .267 .476 .328 36.3
2022 4-Seam Fastball -2.3 -7 328 29.0 68 .435 .758 .512 12.0 5.9 5.1 .390 .746 .493 51.7
2022 Slider -1.4 -3 206 18.2 71 .292 .585 .387 33.3 26.8 27.5 .276 .528 .377 44.7
2022 Curveball 2.2 3 150 13.3 36 .176 .324 .239 21.4 25.0 19.6 .211 .330 .260 36.0
2022 Sinker -3.4 -4 114 10.1 36 .361 .833 .521 6.6 5.6 25.0 .373 .710 .459 47.1
2021 4-Seam Fastball -1.8 -8 466 42.2 111 .392 .711 .496 13.4 8.1 8.3 .367 .686 .476 48.3
2021 Changeup -0.6 -2 285 25.8 93 .271 .494 .342 27.0 15.1 21.2 .284 .591 .387 43.8
2021 Slider 2.3 5 207 18.7 42 .225 .250 .235 36.8 35.7 22.7 .215 .275 .236 28.0
2021 Curveball 2.8 4 147 13.3 39 .139 .167 .178 42.2 46.2 27.7 .205 .260 .240 55.6
2020 4-Seam Fastball 1.7 1 55 51.4 13 .182 .455 .331 4.0 7.7 14.3 .239 .578 .401 30.0
2020 Changeup -5.9 -2 26 24.3 7 .286 .714 .414 14.3 14.3 50.0 .351 .751 .457 50.0
2020 Slider 3.4 1 15 14.0 7 .167 .167 .229 44.4 42.9 37.5 .238 .265 .288 100.0
2020 Curveball -8.2 -1 11 10.3 4 .333 .333 .575 75.0 50.0 40.0 .027 .028 .370 0.0
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2023 Changeup 48 84.7 95 18.8 10:15 9:45 30
2023 Curveball 23 81.3 61 14.7 5:30 5:00 30
2023 4-Seam Fastball 22 90.1 69 14.3 10:45 11:00 -15
2023 Sinker 27 90.1 77 15.3 10:45 9:45 60
2023 Slider 77 84.8 14 4.7 7:00 6:45 15
2022 Changeup 323 84.7 96 19.8 10:15 10:00 15
2022 Curveball 147 81.1 53 10.1 5:15 5:45 -30
2022 4-Seam Fastball 324 90.6 78 18.1 11:00 11:00 0
2022 Sinker 114 90.5 85 17.7 10:45 10:00 45
2022 Slider 203 85.0 15 2.8 9:30 10:15 -45
2021 Changeup 275 84.4 99 19.7 10:00 10:00 0
2021 Curveball 143 81.9 42 8.8 5:30 5:45 -15
2021 4-Seam Fastball 449 91.4 81 16.9 11:00 11:15 -15
2021 Slider 203 86.1 20 2.6 10:15 10:30 -15
2020 Changeup 25 84.6 99 19.7 10:15 10:15 0
2020 Curveball 10 81.6 43 9.0 5:15 5:15 0
2020 4-Seam Fastball 55 91.4 81 17.3 11:00 11:00 0
2020 Slider 14 84.2 17 3.1 6:15 7:30 -75
! Note: This table is showing data from the PITCHER perspective.
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Pitcher Arm Angle

! Note: Data is available from 2020 through the present.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2020 31 107 0 0 0 -1 -1
2021 285 1,105 -5 15 -6 -5 -1
2022 320 1,130 -16 7 -5 -4 -17
2023 61 215 0 -1 0 0 -1
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2020 107 51.4 65.5 88.9 30.8 62.5 41.1 51.6 48.6 19.2 7.5 100.0
2021 1,105 47.9 66.4 82.1 28.0 57.1 44.5 57.9 46.3 25.6 6.9 76.3
2022 1,130 53.6 67.5 84.8 31.5 69.7 47.7 65.9 50.8 18.6 8.2 67.7
2023 215 48.4 71.2 83.8 35.1 38.5 41.9 67.2 52.6 31.9 8.8 68.4
Player 2,557 50.6 67.2 83.8 30.2 60.9 45.6 62.1 48.9 22.7 7.7 72.4
MLB 48.7 67.0 82.0 28.5 57.8 42.6 61.0 47.2 24.9 7.3 76.3
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA /
xERA
xBA xSLG xISO xOBP Brl Brl% EV Hard
Hit%
K% BB% Whiff% Chase
Rate
FB
Velo
FB
Spin
CB
Spin
Extension
2020 21 73 47
2021 3 3 2 3 10 42 16 6 10 22 58 45 51 19 73 66 42
2022 1 1 1 1 20 13 1 3 15 6 98 6 71 9 75 36 27
2023 7 82 28
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Expected Home Runs

Adjusted

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2020 26.2 2 1.3 1 0 1 1 50.0
2021 23.2 14 13.3 1 3 9 6 42.9
2022 23.6 21 20.4 1 3 14 9 42.9
2023 22.5 3 3.6 -1 0 2 2 66.7
Player 23.5 40 38.6 1 6 26 18 45.0
Note: xHR tells how many of this pitcher's home runs allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Expected Home Runs by Park

Adjusted

Year HR
2020 2 2 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 2 1 2 2 1 1 1 2 2 1 2 1
2021 14 13 14 10 13 14 15 12 8 11 11 12 14 13 13 14 14 13 13 12 14 15 16 15 14 14 14 15 15 14 13
2022 21 17 17 18 22 21 23 18 18 19 19 22 20 19 22 22 20 20 21 22 19 21 24 21 18 21 21 23 20 23 21
2023 3 3 3 2 4 4 4 4 3 3 4 4 3 4 4 4 4 3 4 4 4 4 4 4 3 3 3 4 4 4 4
Player 40 35 35 31 40 40 44 35 30 34 35 40 38 37 40 41 39 37 39 40 38 42 46 41 36 39 40 44 40 43 39
Note: xHR tells how many of this pitcher's home runs allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Year to Year Changes

Metric 2020 2021 +/-   2022 +/-   2023 +/-  
Fastball Velocity 91.4 91.4 0.0 90.6 -0.8 90.1 -0.5
Offspeed Velocity 84.6 84.4 -0.2 84.6 0.2 84.6 0.0
Breaking Velocity 83.3 84.4 1.1 83.4 -1.0 83.9 0.5
Exit Velocity 95.0 91.0 -4.0 91.1 0.1 88.2 -2.9
Launch Angle 12.4 13.7 1.3 14.0 0.3 7.8 -6.2
Barrel % 10.0 9.8 -0.2 13.2 3.4 8.9 -4.3
Hard Hit % 45.0 44.9 -0.1 42.8 -2.1 42.2 -0.6
LA Sweet-Spot % 25.0 37.1 12.1 39.3 2.2 33.3 -6.0
xBA .244 .293 0.049 .301 0.008 .253 -0.048
BA .222 .291 0.069 .321 0.030 .293 -0.028
xwOBA .363 .378 0.015 .381 0.003 .294 -0.087
wOBA .334 .359 0.025 .407 0.048 .343 -0.064
xSLG .492 .531 0.039 .555 0.024 .418 -0.137
SLG .444 .492 0.048 .613 0.121 .500 -0.113
K% 22.6 19.6 -3.0 15.3 -4.3 23.0 7.7
BB% 6.5 7.7 1.2 3.8 -3.9 0.0 -3.8
Swing % 48.6 46.3 -2.3 50.8 4.5 52.6 1.8
Whiff% 19.2 25.6 6.4 18.6 -7.0 31.9 13.3
In Zone % 51.4 47.9 -3.5 53.6 5.7 48.4 -5.2
Out of Zone % 48.6 52.1 3.5 46.4 -5.7 51.6 5.2
Out of Zone Swing % 30.8 28.0 -2.8 31.5 3.5 35.1 3.6
First Pitch Swing % 29.0 27.7 -1.3 37.2 9.5 36.1 -1.1
First Pitch Strike % 51.6 57.9 6.3 65.9 8.0 67.2 1.3
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2020 Shifts 31 .334 21 2 9.5 10 3 30.0
2021 Shifts 284 .358 224 20 8.9 60 43 71.7
2022 Shifts 320 .407 265 24 9.1 55 36 65.5
2023 Shades 61 .343 44 0 0.0 17 6 35.3
! Note: Shifts are through the 2022 season, Shaded starting from the 2023 season, Shift: three or more infielders are on the same side of second base, Shade: positioned outside of their typical responsible slices of the field.
Learn more about how positioning is defined here

Pitch Tempo

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2020 32 16.7 25.0% 0.0% 14 20.6 0.0% 0.0%
2021 329 18.1 9.7% 1.2% 177 24.6 0.0% 6.2%
2022 355 18.1 9.3% 3.4% 141 23.9 0.0% 9.9%
2023 45 16.0 31.1% 0.0% 43 21.5 0.0% 0.0%

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Pitch Distribution