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Justin Martinez

ARI · Relief pitcherBTB Value 7.66

What these mean
BTB Value
His pitches' physics graded on what they should produce this season, 5 = 2025 league average, 1 point = 1 SD.

Bats R · Throws R · Age 25 · 6' 3", 225 lb · Bonao, Dominican Republic

2026 season
G
15
IP
13.1
ERA
2.03
WHIP
1.13
K
18
K%
32.7%
BB%
18.2%

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