Hancock did not factor into the decision in Saturday's extra-inning win over the Athletics, allowing three earned runs on five hits and four walks over 5.1 innings. He struck out three.
The Mariners recalled Hancock from Triple-A Tacoma on Saturday.
The Mariners optioned Hancock to Triple-A Tacoma on Sunday, Shannon Drayer of SeattleSports.com reports.
Hancock is slated to start Saturday's game against the Rangers at Globe Life Field.
The Mariners recalled Hancock from Triple-A Tacoma on Friday.
The Mariners optioned Hancock to Triple-A Tacoma on Monday, Ryan Divish of The Seattle Times reports.
The Mariners recalled Hancock from Triple-A Tacoma to start Saturday's game against Toronto.
Hancock, who is with the Mariners' taxi squad, is slated to start Saturday against the Blue Jays, Daniel Kramer of MLB.com reports.
The Mariners optioned Hancock to Triple-A Tacoma on Friday.
Hancock allowed two runs on six hits and two walks while striking out one batter over seven innings in a no-decision against the White Sox on Thursday.