Williamson (5-4) earned the win after allowing three hits through six scoreless innings against Atlanta on Tuesday. He struck out two.
Williamson made his first start since Sept. 2 against the Padres. The left-hander recorded his first quality start since April 6 on Tuesday. Through eight starts (11 games) this season, Williamson owns a 4.89 ERA, 1.41 WHIP and 33:27 K:BB over 49.2 innings. The 28-year-old is slated to start Game 162 against the Blue Jays on Sunday.