Quantrill (3-3) earned the win over the Padres on Tuesday, allowing one run on six hits and three walks while striking out five over six innings.
Quantrill (0-3) was charged with the loss Saturday against the Astros after he surrendered six runs on six hits and two walks over five innings. He struck out two.
Quantrill pitched six scoreless innings, allowing three hits and five walks while striking out four batters in Colorado's 2-1 extra-inning win in Game 1 of Sunday's doubleheader with the Mariners. He did not factor into the decision.
Quantrill (0-2) took the loss Tuesday against the Diamondbacks, allowing three runs on eight hits and no walks in six innings. He struck out six.
Quantrill allowed four runs on four hits and four walks while striking out three batters over four innings in a no-decision against the Cubs on Wednesday.
The Rockies and Quantrill avoided arbitration Wednesday by agreeing to a one-year, $6.55 million contract, Robert Murray of FanSided.com reports.
The Rockies acquired Quantrill from the Guardians in exchange for Kody Huff on Friday.
Quantrill was designated for assignment by the Guardians on Tuesday.
Quantrill did not factor into the decision Monday against the Royals after allowing two runs on five hits and no walks over 5.2 innings. He struck out three.
Quantrill pitched six scoreless innings against the Angels on Thursday, allowing three hits and two walks while striking out six batters in a no-decision.