Probetrics — Sports Analytics
MLB Prop Board

Spencer Arrighetti

Houston Astros · P · Bats R · Throws R

Tonight's line
4.5
Model proj
5.50
Edge
+10.8%
Last 20
80%16/20 over 3.5
Window avg
6.55
Median
6.5
L5
100%
5/5
L10
80%
8/10
L20
80%
16/20
2026
100%
5/5
Avg6.52
StreakW5

Parlay pairs — when Spencer Arrighetti clears 4.5 Pitcher Strikeouts, these hit too

Jose Altuve o0.5 Hits
hits when he does 82% · base 77% · n=28 · -240 DraftKings
Isaac Paredes o0.5 Runs Scored
hits when he does 67% · base 60% · n=9 · -137 Betr Picks

Correlation from shared games in our database — books price correlated same-game legs accordingly; treat combined odds as an estimate.

Pitcher Strikeoutslast 20 vs 3.5

official box scores
7@ OAK05/258@ SEA05/302vs DET06/152@ CWS06/2010vs COL06/266@ MIN07/077vs TEX07/138vs LAD07/2812vs TB08/0413@ BOS08/1011@ PHI08/286vs LAA09/223@ MIN04/055@ MIA08/062@ BAL08/248vs NYY04/264@ BOS05/025@ CIN05/095@ CHC05/227@ KC06/143.5

Tonight's odds — Pitcher Strikeouts

BookLineOverUnder
DraftKings4.5-131+102
PrizePicks4.5-137-137
Betr Picks4.5-137-137

Line movement — Pitcher Strikeouts

From our own market snapshots (every poll since lines opened).

4.512:11 AM ET9:38 AM ET
DraftKingsPrizePicksBetr Picks

League vs WSH Pitcher Strikeouts, 2026

Last 14 qualifying performances against them · 9/14 would clear tonight's 4.5

Tatsuya Imai HOU07/073
Mike Burrows HOU07/063
Bubba Chandler PIT07/050
Braxton Ashcraft PIT07/047
Mitch Keller PIT07/031
Payton Tolle BOS07/015
Connelly Early BOS06/305
Ranger Suarez BOS06/298
Kyle Bradish BAL06/282
Brandon Young BAL06/278
Trevor Rogers BAL06/267
Cristopher Sánchez PHI06/256
Aaron Nola PHI06/245
Jesús Luzardo PHI06/2313