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Garrett Whitlock

BOS · Relief pitcherBTB Value 5.42BTB Trust 98th

What these mean
BTB Value
His pitches' physics graded on what they should produce this season, 5 = 2025 league average, 1 point = 1 SD.
BTB Trust
Percentile among MLB pitchers (SP 50+ IP, RP 20+ IP), starters and relievers in one pool; higher is better. A typical reliever's season is about 200 batters, so about half the gap between two relievers is noise: expect it to move more than a starter's. A season read of how far the player can be trusted: it describes the player, not tonight's line or projection.

Bats R · Throws R · Age 30 · 6' 5", 222 lb · Snellville, GA, USA

BTB Trust ranks Garrett Whitlock in the 98th percentile of MLB pitchers for 2026.

2026 season
G
54
IP
52.1
ERA
1.72
WHIP
0.90
K
59
K%
29.8%
BB%
4.5%

Regular season, through Sep 27, 2026.

BTB Pro

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  • His strikeout projection for every start, with the likely range
  • The book's line beside our number, and how far apart they are
  • The matchup: tonight's lineup, his pitch mix and the park
  • Every past projection beside what happened
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