Guerra signed with the Blue Jays for $40,000 out of Venezuela in June 2022 -- roughly five months after the international window opened -- and he’s been a steady climber in the four years since. His first look at full-season ball came with Single-A Dunedin in 2024, and he returned to the Florida State League last year, posting a 3.40 ERA with 84 strikeouts and 39 walks over a career-high 82 innings. He has reached High-A Vancouver for his age-22 season in 2026 and has pushed his strikeout and K-BB percentages to personal bests in the Northwest League.
Standing 6-foot-6, the right-hander throws from an over-the-top motion and his high release point allows him to generate elite ride on his 94-97 mph four-seamer (touching 99). The limited armside run on the heater can also make it tough for hitters to read and touch. Guerra’s best whiff generator is an upper-80s slider that doesn’t have significant gloveside break but is offset enough to fool anyone sitting fastball and get some silly, late swings. An 85-87 mph splitter shows good separation from the fastball as it drifts away from lefties but remains a distant third in terms of usage.
Guerra can look mechanical rather than free and loose in his delivery, and as he falls off the first-base side of the rubber, he can lose some of his fastballs up and to the armside. As the strikeouts have piled up, he’s continued to earn his starting looks in 2026, but with Rule 5 eligibility arriving this offseason, there could be a temptation to see how his stuff plays in shorter stints to help his 40-man case. All the same, Blue Jays coaches have praised Guerra’s ability to lean into his strengths and further cement his place among the club’s most intriguing arms.