Chapman (0-1) took the loss Saturday against the Padres, allowing one run on two hits with one strikeout across one inning.
With the game tied 2-2 headed into the ninth inning, manager Alex Cora brought on Chapman, but the closer allowed a double to Fernando Tatis followed by an RBI single from Ramon Laureano to give San Diego the 3-2 lead. It's the first run of the year allowed by Chapman, who now owns a 2.25 ERA and 3:1 K:BB across four innings this season. He's 2-for-2 in save chances.