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Observed · MLB ·

· every game final

The day’s pitching, April 4, 2026

Ranked by game score

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Observed · MLB box scores, read 7:11 PM ET.

What is on this board

Every pitcher who has thrown in the April 4, 2026 games: 143 pitchers from 16 games. Game Score and win probability added are Derived. Game Score v2 is 40 + 2×outs + K − 2×H − 2×BB − 3×R − 6×HR. Win probability added sums MLB's model over each pitcher's own batters, in percentage points for his team.

Win probability is read on its own slower pass, last at 7:09 PM ET.

MLB broadcast highlight

Play MLB clip

Aroldis Chapman

Final · BOS 2, SD 3 · Loss

Gave up a run over 1 inning as the Red Sox fell behind. Ramón Laureano’s single in the 9th swung the game 36.3 points against him.

IP
1.0
H
2
R
1
BB
0
K
1
P
17
GSc
40
WPA
−29.6

Observed · MLB box score · GSc and WPA are derived

100%500−36.3 · Laureano, top 9th9th

Derived · Sox’ win chance after each batter, MLB’s model.

Observed · 17 tracked pitches in completed at-bats. Taller is faster.

About this at-bat Observed and derived

−36.3 · Ramón Laureano singles on a line drive to left fielder Roman Anthony. Fernando Tatis Jr. scores. Ramón Laureano to 3rd. Ramón Laureano advances to 3rd, on a throwing error by left fielder Roman Anthony. Top 9th, two out.

Last pitch · Splitter · 91.1 mph · 4 pitches in the at-bat

  1. Slider · 84.4 mph · Ball
  2. Sinker · 96.0 mph · Called Strike
  3. Sinker · 96.5 mph · Foul
  4. Splitter · 91.1 mph · In play, run(s)

After 2 sinkers at 96.3 mph, the splitter arrived 5 mph slower and 5 in away from them horizontally.

Selection & sources

This is the whole appearance for one pitcher on the day’s board, built when you selected him. The game is final. Read 7:12 PM ET. Win probability, plays and pitch tracking: MLB win-probability feed; lines and decisions: the game’s MLB game data. The notes are written from those measurements, not by a person. They describe the pitches, not why a batter swung or took.

Clip: the MLB broadcast for Ramón Laureano's go-ahead RBI single.

Watch on MLB

2025 statistics · Aggregate, regular season

Fastball speed and movement across pitchers.

Four-seamers with the most pitches in this sample

PitcherPitchesSpeedIVB
Freddy PeraltaMIL · Four-seam fastball1,65194.8 mph16.8 in
Kevin GausmanTOR · Four-seam fastball1,62794.5 mph16.8 in
Robbie RaySF · Four-seam fastball1,59393.6 mph18.2 in

Pitcher-season means · Minimum 100 four-seam fastballs. Baseball Savant