Paxton completed 4.2 innings and took the loss Saturday against the Indians, allowing six earned runs on six hits and four walks while striking out four.
Paxton compiled seven strikeouts while allowing two earned runs on three hits and a walk over 4.2 innings in Wednesday's 5-4 Cactus League win over the Giants.
Paxton allowed four earned run on five hits and a walk over three-plus innings in Friday's 10-7 Cactus League loss to the Giants. He recorded four strikeouts.
Paxton allowed seven earned runs on seven hits and one walk over 1.2 innings in Sunday's 10-7 Cactus League win over the Rangers.
Paxton agreed to a one-year, $4.9 million deal with the Mariners on Friday, avoiding arbitration, Ryan Divish of The Seattle Times reports.
Paxton pitched six scoreless innings with nine strikeouts during Sunday's loss to the Angels. He didn't factor into the decision.
Paxton will start Sunday's season finale against the Angels, Bob Dutton of The Tacoma News Tribune reports.
Paxton retains "a 50 percent chance" of starting the Mariners' final game of the season this coming Sunday, Greg Johns of MLB.com reports.
Paxton allowed three runs on six hits over 5.1 innings Tuesday while striking out five, but he didn't factor into the decision in a 6-3 win over the A's.
Paxton, who threw 73 pitches in Thursday's start against the Rangers, saw his fastball reach as high as 98.4 mph during the outing, Josh Horton of MLB.com reports. "It just felt like when I needed something, I could go get it, velocity-wise," Paxton said. "The velocity was better, and I was executing pitches in better locations as a whole."