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Jack Flaherty

DET · Starting pitcherBTB Value 5.32BTB Trust 63rd

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 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 31 · 6' 4", 225 lb · Burbank, CA, USA

BTB Trust ranks Jack Flaherty in the 63rd percentile of MLB pitchers for 2026.

2026 season
G
20
IP
88.1
ERA
4.48
WHIP
1.39
K
103
K%
26.0%
BB%
10.6%

Regular season, through Sep 27, 2026.

BTB Pro

The full page is for members.

  • 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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