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%
Trending splitsDay 80%(5)Night 56%(9)
Last 15
67%10/15 over 4.5
Window avg
5.80
Median
5.0
L5
80%
4/5
L10
70%
7/10
L20
60%
12/20
2026
64%
9/14
Avg5.62
StreakL1

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 · -227 dabble_us_dfs
Isaac Paredes o0.5 Runs Scored
hits when he does 67% · base 60% · n=9 · +146 dabble_us_dfs

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

Pitcher Strikeoutslast 15 vs 4.5

official box scores
8vs LAA08/3010vs COL04/153@ CLE04/208vs NYY04/264@ BOS05/025@ CIN05/095vs TEX05/155@ CHC05/223@ TEX05/283vs PIT06/037@ LAA06/087@ KC06/148vs CLE06/207@ DET06/264vs TB07/034.5

Tonight's odds — Pitcher Strikeouts

BookLineOverUnder
DraftKings4.5-131+102
PrizePicks4.5-137-137
Betr Picks4.5-137-137
dabble_us_dfs4.5-109+110

Line movement — Pitcher Strikeouts

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

4.512:11 AM ET11:15 AM ET
DraftKingsPrizePicksBetr Picksdabble_us_dfs

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

Pitch arsenal — 2026

Usage share and average velocity by pitch type.

Curveball33.0% · 76.6 mph
Four-seam FB29.7% · 92.4 mph
Sweeper12.5% · 79.3 mph
Sinker10.1% · 92.1 mph
Changeup7.4% · 84.1 mph
Cutter6.0% · 87.4 mph
Slider1.2% · 82.2 mph