"He threw the ball extremely well. It was very good news yesterday," McClendon said. "He continues to progress and hopefully he'll be back soon."
• Gillespie was claimed off waivers on Saturday by the Blue Jays after being designated for assignment by the Mariners on Friday. The 30-year-old hit .254 in 34 games for Seattle before being released when Corey Hart was activated off the 15-day disabled list.
Greg Johns is a reporter for MLB.com. Follow him on Twitter @GregJohnsMLB as well as his Mariners Musings blog. This story was not subject to the approval of Major League Baseball or its clubs.