Even on an off day, the Yankees can't avoid the injury bug.
Their disabled list grew to 10 Thursday when they added reliever Joba Chamberlain, who has a right oblique strain. His stint is retroactive to April 28.
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"When he was in the bullpen the night before [Tuesday], he felt something,'' general manager Brian Cashman said Thursday afternoon on a conference call.
Cashman said Chamberlain showed up at the ballpark Wednesday "complaining of some mild pain in his right abdomen.''
A subsequent MRI showed the strain, which Cashman hopes is healed after 15 days.
"It's possible it could resolve within the two weeks, but I can't guarantee it,'' Cashman said. "Joba's a pretty miraculous healer, more so than anyone I've seen. He does get hurt but usually bounces back pretty quick. We're going to take the safe route to put it behind us.''
Chamberlain last pitched Saturday against the Blue Jays, allowing two hits in the ninth but nailing down the save in a 5-4 victory.
Cashman said the Yankees have not decided who will be called up from Triple-A Scranton/Wilkes-Barre. He listed righthanded relievers Sam Demel (1.42 ERA), Preston Claiborne (3.48) and Mark Montgomery (1.50) among the candidates.
"It's a tough spot for Joba to get the timeout, but it's going to give someone an opportunity and a chance to help us win games,'' Cashman said. "Someone else's bad news is someone else's good news.''
There was some concerning news after Wednesday night's 5-4 victory over the Astros when righthander David Robertson complained of discomfort in his left hamstring. Cashman said the reliever had an MRI Thursday.
"He's got a little crankiness behind the knee,'' Cashman said. "It's not a DL situation, but he's day-to-day.''
Cashman provided updates on several other Yankees on the disabled list.
He said Mark Teixeira (wrist), who did tee and toss for the first time Wednesday, will head for Tampa, Fla., after this homestand. It's tangible progress, but Cashman didn't shed any light on a possible return for the first baseman.
"We're going to try and stay away from timetables,'' he said.
Derek Jeter will be in a removable walking boot the next six to eight weeks and Cashman said there's "a number of exercises he can do,'' including swimming.
Michael Pineda (shoulder) still is progressing. He pitched in an extended spring game Thursday morning and his fastball consistently reached 93 mph, peaking at 95, Cashman said.
Said Cashman, "A good physical day.''