Royals re-signed RHP Clayton Mortensen to a minor league contract.

He seems likely to receive an invitation to spring training. Acquired from the Red Sox in the Quintin Berry deal, Mortensen put up a 5.34 ERA over 24 appearances for Boston this season.

Royals acquired RHP Clayton Mortensen from the Red Sox for OF Quintin Berry.

Mortensen was outrighted off Boston's 40-man roster back in July after he posted a 5.34 ERA in 24 appearances in the majors this season. The 28-year-old could be an option for the bullpen or the starting rotation if needed.

Red Sox sent RHP Clayton Mortensen outright to Triple-A Pawtucket.

Mortensen was designated for assignment last week and made it through waivers without a claim. He had a 5.34 ERA in 24 appearances this year in the majors.

Red Sox designated RHP Clayton Mortensen for assignment.

Mortensen just returned from the disabled list this week and has a 5.34 ERA over 24 appearances at the major league level. The Red Sox have call up Jonathan Diaz to replace him on the active roster.

Red Sox activated RHP Clayton Mortensen from the 15-day disabled list.

Mortensen, out since June 10 with a right hip impingement, allowed two runs in four innings over three rehab appearances with Triple-A Pawtucket. He returns to a 5.34 ERA over 30 1/3 innings this season.

Clayton Mortensen (hip) will begin a minor league rehab assignment Thursday with Triple-A Pawtucket.

Mortensen was placed on the disabled list last week with a right hip impingement and is eligible to return next weekend. The 28-year-old has a 5.34 ERA and 21/16 K/BB ratio over 30 1/3 innings this season.

Red Sox placed RHP Clayton Mortensen on the 15-day disabled list with a right hip impingement.

Mortensen has been battling the injury since April and finally agreed to take a few weeks off. The right-hander has posted a 5.34 ERA in 30 1/3 innings this year.

Clayton Mortensen could land on the disabled list with a hip problem.

No word on the severity of the injury, but this would allow the Red Sox to add a fresh arm to the bullpen. Jose De La Torre is expected to be called up prior to Tuesday's game.

Clayton Mortensen has won an Opening Day bullpen spot.

Mortensen is out of options, so he would have been exposed to waivers if he didn't make the 25-man roster. He posted a 3.21 ERA in 26 appearances with the Red Sox last season.

Clayton Mortensen was called up from the minors on Friday September 7.

Red Sox recalled RHP Clayton Mortensen from Triple-A Pawtucket.

He'll replace the injured Vicente Padilla (biceps) on the active roster. Mortensen has a 1.17 ERA and 17/7 K/BB ratio over 23 innings with the Red Sox this season and will pitch in middle relief.

The Red Sox are expected to call up right-hander Clayton Mortensen for Wednesday's game.

The Red Sox have yet to make an official roster move, but speculation is that Vicente Padilla could be placed on the disabled list. Mortensen has a solid 1.17 ERA and 17/7 K/BB ratio over 23 innings in the majors this season.

Red Sox optioned RHP Clayton Mortensen to Triple-A Pawtucket.

Mortensen was up on the major league roster for a little more than 24 hours. He has posted a cool 1.17 ERA and 0.87 WHIP in 23 innings this season for the Red Sox.

Red Sox optioned RHP Clayton Mortensen to Triple-A Pawtucket.

He served as the team's 26th man during Saturday's doubleheader, tossing a scoreless 1/3 of an inning. Mortensen has a terrific 1.33 ERA and 0.79 WHIP over nine games with the big club this year and should get another shot later this summer.

Red Sox recalled RHP Clayton Mortensen from Triple-A Pawtucket.

Mortensen was replaced by Justin Germano on the active roster Wednesday. He'll serve as Boston's 26th man Saturday before likely returning to the minors.

Red Sox optioned RHP Clayton Mortensen to Triple-A Pawtucket.

No official word on a corresponding roster move, but right-hander Justin Germano is expected to be called up from the minors. Mortensen has a solid 1.35 ERA and 15/2 K/BB ratio over 20 innings this season, but the Red Sox want a fresh arm after he was forced to throw five innings in relief of Daisuke Matsuzaka (neck) on Monday.

Red Sox recalled RHP Clayton Mortensen from Triple-A Pawtucket.

Mortensen will look to reestablish himself in the Red Sox bullpen after posting a 0.96 ERA in 9 1/3 innings of relief earlier this season. He's replacing Josh Beckett (shoulder) on Boston's active roster.

Clayton Mortensen pitched three shutout innings of relief on Wednesday in a 4-3 loss to the Royals.

He gave up three hits and struck out one to keep the game close after Jon Lester's relatively early exit. Mortensen has now pitched three are more innings in all three appearances since last week's call-up. A solid contributor in last season's Rockies rotation, the 27-year-old has a good chance to remain in the bigs with a 0.96 ERA and 0.64 WHIP.

The Red Sox will recall right-hander Clayton Mortensen from Triple-A Pawtucket before Wednesday's game.

He'll presumably fill the vacant spot on the active roster following the demotion of Lars Anderson. Mortensen, who was acquired from the Rockies in January for Marco Scutaro, has an 0.90 ERA and 10/4 K/BB ratio over 10 innings this season. Aaron Cook is set to be added to the active roster in the next 48 hours, so his stint with the big club with likely be brief.

Red Sox optioned RHPs Clayton Mortensen and Junichi Tazawa, C Luis Exposito to Triple-A Pawtucket.

Mortensen was the only one that had a real chance to make the Opening Day roster as a long man, but he failed to do so despite not allowing a run in six spring innings. Tazawa made it back from Tommy John surgery in the middle of last season. It's not clear whether he'll start or relieve for Pawtucket.