OAKLAND -- The A's are hoping to see some reinforcements come off the disabled list soon.
Before Friday night's series opener against the Twins, manager Bob Melvin said that right-hander Jharel Cotton is scheduled to start Monday against the Giants. Cotton has been on the disabled list since July 7 with a blister on his right thumb.
In addition to Cotton, infielder Chad Pinder will play another game or two for Triple-A Nashville on a rehab assignment for a left hamstring strain, but Melvin said there's a "good chance" he'll return to the roster for the four-game home-and-home Interleague series.
Pinder, who strained his hamstring on June 23, was in Nashville's lineup Friday night and was expected to play again Saturday.

Pinder's last game for Nashville could also be the last rehab start for right-hander Kendall Graveman, who has been out since May 27 with a right shoulder strain. Melvin said Graveman is expected to throw 80 or more pitches Saturday after he threw 65 on Monday, and he may not need another rehab start.
"We're kind of at the point now where we make sure he feels good, endurance is there," Melvin said. "You'd like to have a good start before [he gets] here. Still a little bit undecided as far as that goes."
Worth noting
• Right-hander Andrew Triggs returned to the A's clubhouse for the first time since he had successful surgery on his left hip to repair a labral tear and an impingement. Melvin said Triggs seemed to be in good spirits and that he felt "a lot better."
• The A's still are uncertain how long catcher Josh Phegley (left oblique strain) will be out, but Melvin expects it to be more than just the required 10 days.
• Outfielder Jake Smolinski (right shoulder surgery) continues to progress in his rehabilitation.
"He's taking fly balls, he's swinging fine," Melvin said. "As an outfielder, obviously we're going to have to get him out to a certain distance before we send him out on a rehab, but he's doing much better."