David Peterson pitched 6.2 innings without allowing an earned run against the Detroit Tigers on July 21, 2026. He struck out 4 batters in the outing, and the result registered as the highest score in The Game Network Performance Index across 13 games played that day.
The Chicago Cubs defeated the Tigers 11-2 at Wrigley Field, Chicago, Illinois. Peterson worked into the seventh inning before departing, having allowed no earned runs through his 6.2 innings of work.
Peterson's stat line read 6.2 innings pitched, 4 strikeouts and 0 earned runs. Among the day's performances, C. J. Abrams also posted a notable line for Washington, going 2-for-3 with 2 home runs, 4 RBIs and a walk, but Peterson's scoreless outing on the mound topped the day's index.
The win improved Peterson's record to 2-1 across 4 starts this season. He has struck out 11 batters over 21.0 innings pitched, with a 5.57 ERA and a 1.29 WHIP through his outings in 2026.