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)
Last 5
80%4/5 over 4.5
Window avg
5.80
Median
7.0
L5
80%
4/5
L10
60%
6/10
L20
55%
11/20
2026
63%
5/8
Avg5.14
StreakW3

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 5 vs 4.5

away only · official box scores
5@ CHC05/223@ TEX05/287@ LAA06/087@ KC06/147@ DET06/264.5

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