Andrew Bailey out through the All-Star Break

Per Michael Silverman of the Boston Herald, Red Sox closer Andrew Bailey will have surgery to reconstruct the ulnar collateral ligament (UCL) in his right thumb.

The injury will keep Bailey on the disabled list until after the All-Star break, according to manager Bobby Valentine.

As far as which reliever will take over ninth-inning duties, the top candidates are Mark Melancon and Alfredo Aceves.

Melancon and Aceves are currently owned in 39 and 21 percent, respectively, of Yahoo! leagues.

Get our updated 2012 reliever rankings here.

Joba's start in jeopardy due to thumb

New York Yankees pitcher Joba Chamberlain broke a blood vessel in his right thumb last night and his scheduled start against the Baltimore Orioles on Mother's Day is in jeopardy, according to the Daily News.

He hurt his thumb during batting practice yesterday while throwing a ball back underhanded towards the infield.

If Joba can't pitch, the Yankees will use Alfredo Aceves.

"We don't think it will be an issue (Sunday), but we had to protect ourselves," [manager Joe] Girardi said. "If he can't go, Ace would be the guy."

In five starts, Chamberlain is 1-1 with an ERA of 3.77.