| IP | 83.3 |
|---|---|
| ERA | 3.89 |
| WHIP | 1.241 |
| BB/9 | 4.2 |
| SO/9 | 15.1 |
- Full name Thomas J. Brock
- Born 08/10/1999 in Cincinnati, OH
- Profile Ht.: 6'1" / Wt.: 200 / Bats: R / Throws: R
- School Ohio State
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Drafted in the 6th round (188th overall) by the Toronto Blue Jays in 2022 (signed for $72,500).
View Draft Report
Brock worked as a reliever throughout his four-year career at Ohio State, serving as the Buckeyes closer the last two seasons. He has a powerful fastball-slider combination and can run his heater up to 99 mph. His slider is a plus offering and elicits swings and misses. While he has two pitches with plus potential, he struggles to throw strikes consistently. If he can iron out his control, he has upside as a late-inning reliever.
Top Rankings
Organization Prospect Rankings
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BA Grade/Risk: 40/High.
Track Record: Brock spent four years at Ohio State and did two tours of duty in the Cape Cod League. He received some scouting buzz for his high-octane stuff and ability to touch triple-digits with his fastball. Brock was taken by the Blue Jays in the sixth round of the 2022 draft and signed for a bonus of $72,500. After being limited to just 11 appearances in 2024 due to an elbow injury, Brock made up time after the season in the Arizona Fall League.
Scouting Report: Brock is a pure relief prospect with a high-powered two-pitch mix that’s designed to blow away opposing batters. Brock sits 95-97 mph on his four-seam fastball with plus ride and heavy cut. While Brock’s fastball lights up the radar gun, his upper-80s cut-slider does all the heavy lifting. It’s Brock’s most frequently thrown pitch and it generates swings and misses in bunches. In 2024, Brock’s slider had a 28% swinging strike rate against all competition. Brock fits the mold of a late-inning fire-breathing dragon with plus velocity and a swing and miss secondary.
The Future: If Brock can stay healthy and master Triple-A, he has a chance to help the Blue Jays bullpen in the coming years.
Scouting Grades: Fastball: 60 | Slider: 60 | Control: 45. -
BA Grade: 40/High
Track Record: Brock spent four years in Ohio State’s bullpen, impressing in consecutive summers in the Cape Cod League. The Blue Jays drafted Brock in the sixth round in 2022 and signed him for a below-slot bonus of $72,500. He debuted with Low-A Dunedin and earned a promotion to High-A Vancouver after one appearance. Brock returned to Vancouver to begin 2023. He earned promotion to Double-A New Hampshire in late May and made 32 appearances for the Fisher Cats.
Scouting Report: Brock is a high-powered reliever with a bulldog attitude on the mound. He mixes two pitches primarily in his four-seam fastball and slider. Brock’s fastball sits 95-97 mph and will touch 100. The pitch features pedestrian movement and release traits and doesn’t miss many bats. Brock’s slider is his primary pitch and it drives excellent results, with high whiff rates in and out of the zone and poor-quality contact against. Brock’s slider sits 88-90 mph with tight gyro shape, and he shows the ability to command it. Brock shows fringe-average command of his powerful two-pitch mix.
The Future: Brock is a two-pitch reliever with power stuff and the ability to move quickly.
Scouting Grades Fastball: 55 | Slider: 60 | Control: 45
Draft Prospects
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Ohio State has a bit of a thing for pitchers with loud pure stuff and suspect control. Seth Lonsway fit that profile in the 2020 class and returned in 2021, while Brock has been up to 99 mph from the right side and shown a plus slider to go along with it. The 6-foot-1, 197-pound righthander has been exclusively a reliever with Ohio State, but this spring he had his best year with the program, posting a 2.08 ERA over 21.1 innings and 19 appearances. He still walked more batters than he had in the past (16, for a 6.6 BB/9) but he also struck out 33 (13.7 K/9), which was good for the highest strikeout rate of his career. Brock is an explosive athlete with a fast, whippy arm from the left side who scouts want to see take a step forward with control. If he does that, he has upside as a power reliever.
Career Transactions
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New Hampshire Fisher Cats activated RHP T.J. Brock from the full-season injured list.
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New Hampshire Fisher Cats placed RHP T.J. Brock on the full-season injured list.
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New Hampshire Fisher Cats activated RHP T.J. Brock from the 7-day injured list.
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RHP T.J. Brock assigned to Scottsdale Scorpions.
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New Hampshire Fisher Cats placed RHP T.J. Brock on the 7-day injured list.
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New Hampshire Fisher Cats activated RHP T.J. Brock from the 7-day injured list.
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New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to Dunedin Blue Jays.
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New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to Dunedin Blue Jays.
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New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to Dunedin Blue Jays.
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New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to FCL Blue Jays.
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New Hampshire Fisher Cats placed RHP T.J. Brock on the 7-day injured list.
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New Hampshire Fisher Cats placed RHP T.J. Brock on the 7-day injured list.
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Toronto Blue Jays invited non-roster RHP T.J. Brock to spring training.
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RHP T.J. Brock assigned to New Hampshire Fisher Cats from Vancouver Canadians.
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RHP T.J. Brock assigned to New Hampshire Fisher Cats from Vancouver Canadians.
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RHP T.J. Brock roster status changed by Toronto Blue Jays.
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RHP T.J. Brock assigned to Toronto Blue Jays.
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RHP T.J. Brock assigned to Vancouver Canadians from Dunedin Blue Jays.
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RHP T.J. Brock assigned to Dunedin Blue Jays.
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Toronto Blue Jays signed RHP T.J. Brock.
- RHP T.J. Brock assigned to College Workout.
- RHP T.J. Brock, and assigned to College Workout.
- RHP T.J. Brock assigned to Mahoning Valley Scrappers.
- RHP T.J. Brock assigned to Mahoning Valley Scrappers.