Source: Kelvim Escobar may be seriously hurt  —  UPDATE: Adam Rubin of the Daily News tweets: … Santana's not a doctor of course and a playing catch grip is different than a pitching-at-full-speed grip, but this, at the very least, undercuts my earlier report.  Obviously I'll update with anything new that comes out.

As camp opens, lineup Girardi's top concern  —  Manager will use spring slate to find consistent batting order  —  TAMPA, Fla. — It was the first day back at the spring office, and Joe Girardi couldn't help but like what he saw.  Players were showing up in shape and on time …

Chris Antonetti to replace Mark Shapiro as Cleveland Indians GM … CLEVELAND — There will be changes at the top of the Indians organization.  —  GM Mark Shapiro will assume the role of club president at the conclusion of the upcoming season, according to a team release issued this morning.

Yankees' Rivera taking career ‘a year at a time’  —  TAMPA — One year at a time.  —  That's how Mariano Rivera is looking at the rest of a career that will eventually lead to Coopertsown.  —  “A year at a time and see what happens,” Rivera said this morning prior to the first workout …

Eager to lead Rox, Helton arrives early  —  Veteran will be cautious in spring to preserve his back  —  TUCSON, Ariz. — Spring Training hasn't changed for Todd Helton.  He understands that the exhibition season is a grind, and anything that happens in games disappears once the regular season begins.

Detwiler out 3 months with hip injury  —  [UPDATE AT 4:28 P.M. — The Nats have now confirmed Detwiler's surgery and say he is scheduled to begin a throwing program in six weeks and “should be able to return to competitive pitching in three months.”  The procedure was performed Monday in Vail, Colo., by Marc J. Phillippon.]

Florida Marlins sign former Nationals closer Mike MacDougal  —  The Florida Marlins bolstered their bullpen Thursday by agreeing to a contract with former Washington Nationals closer Mike MacDougal.  Agent Rex Gary said MacDougal, a right-hander, will sign a minor-league contract with an invitation to Marlins spring training.

Washington Nationals: Brian Bruney Talks Arbitration On Sirius/XM.  —  More photos » Reed Hoffmann - AP  —  Brian Bruney lost his arbitration case with the Washington Nationals and he was on the radio this afternoon to discuss the process.  (AP Photo/Reed Hoffmann)  —  Browse more photos »

Angels avoid arbitration with Erick Aybar  —  TEMPE, Ariz. — The Angels have avoided arbitration with Erick Aybar, signing the shortstop to a one-year, $2.05-million deal that includes an additional $100,000 in incentives if he reaches 625 plate appearances.

Inside the Phillies: Unlike health, faith never lets Lidge down  —  CLEARWATER, Fla. - Brad Lidge's defining characteristic is belief - in God, in himself, in the basic goodness of the world.  He feels that all suffering happens for a reason, and will always lead to better days.

Reyes ready for big 2010 with Mets  —  PORT ST. LUCIE — The 70-win Mets have come to this camp with an attitude.  Jose Reyes showed yesterday that he has David Wright's back.  —  Shortly after Wright told reporters in the dugout that he expected the 2010 Mets to win the World Series …