Injury Updates: Mauer, Niese, Rauch, De La Rosa, Pavano

MINNEAPOLIS - FILE: Joe Mauer #7 of the Minnesota Twins reacts after he strikes out against the New York Yankees during game one of the ALDS on October 6, 2010 at Target Field in Minneapolis, Minnesota. According to reports April 15, 2011, the Twins have put Mauer on the 15-day disabled list because of leg weakness. (Photo by Elsa/Getty Images)

Both the Twins and Mets are dealing with a pair of injuries while a Tommy John recovery in Colorado hits a setback.

To the injuries:

Mauer sits out because of bruised thumb | KansasCity.com
Minnesota catcher Joe Mauer, one of the Royals’ biggest nemeses through the years, sat out Monday’s game because of a bruised right thumb and could miss the three-game series at Kauffman Stadium.
Niese planning for All-Star break surgery | ESPN New York
A day after he experienced a rapid heartbeat while on the mound, Jon Niese said he expected to undergo a minor surgical procedure known as ablation to address the issue during the All-Star break.
Rauch has elbow 'tenderness' | ESPN New York
Jon Rauch, who served up the game-deciding two-run homer to Allen Craig in the eighth inning of Monday's 5-4 loss, has been dealing with elbow "tenderness," manager Terry Collins said.

Fluid in elbow halts De La Rosa's rehab | ColoradoRockies.com
Jorge De La Rosa was in the Rockies' clubhouse Sunday morning after his 30-day rehab assignment was called off due to a development of fluid in his left elbow.

Pavano to DL | Twitter @RhettBollinger
Pavano is going on the disabled list with a right anterior capsular strain. Blackburn activated from DL. ‪#Twins‬