Wittgren allowed a hit in a scoreless inning during Sunday's 11-1 loss to Milwaukee.
His scoreless outing Sunday snapped a run of three appearances in which he'd allowed runs. Wittgren has pitched to a 4.72 ERA, 1.21 WHIP and 57:13 K:BB across 55.1 innings this year. The right-hander has added a save, nine holds and a 2-7 record, but he's typically seen more low-leverage work in recent weeks.