CHICAGO (Interstat) — David Peterson pitched 6 2/3 innings of three-hit shutout ball as the Chicago Cubs defeated the Detroit Tigers 11-2 on Tuesday, July 21, 2026, at Wrigley Field. Peterson struck out four and earned his fifth win against seven losses.

Chicago erupted for six runs in the first inning, keyed by Carson Kelly’s two-run single, and added a run in the third, two in the fifth and two in the seventh. Michael Conforto hit a two-run homer in the fifth, and Pete Crow-Armstrong drove in two runs. Alex Bregman and Kelly each had two RBIs.

The Tigers avoided a shutout when Dillon Dingler hit a two-run homer in the ninth inning. Detroit managed seven hits but fell to 47-54. The Cubs improved to 57-44.

Losing pitcher Framber Valdez, also 5-7, allowed six runs in the first inning and lasted only 1 2/3 frames. Ty Madden threw 3 1/3 innings of one-run relief for Detroit.

Attendance was 39,039, and the game lasted 2 hours, 43 minutes.