Mariano Rivera will undergo surgery Friday morning to remove polyps from his vocal cords, the Yankees closer said Thursday.

Those who collectively bargained the new Basic Agreement are being lauded for maintaining a long stretch of labor peace. But what are the details and what do they mean for the First-Year Player Draft?

George Postolos has been a fixture in the Houston sports scene for more than a decade, trading the thump of the basketball for the crack of a baseball bat.

With the possibility of a third consecutive Triple-A championship in 2012, keeping Minor League manager Mike Sarbaugh in the fold was a no-brainer for the Indians.

The Marlins are interested in Heath Bell and are currently engaged in discussions with the three-time All-Star closer, a baseball source confirmed to MLB.com.

Bill Geivett, the senior vice president of scouting and player development/assistant general manager of the Colorado Rockies, has emerged as a candidate for the Astros' vacant general manager position.

Although he fell just short in the NL batting race, Matt Kemp's amazing 2011 nearly resulted in Major League Baseball's first Triple Crown since 1967.

Marlins reliever Steve Cishek hears the rumors like everyone else: Jose Reyes, Albert Pujols, Mark Buehrle, C.J. Wilson.

Perhaps the deepest segment of this winter's group of job-seekers, the market for closers has managed to remain amply stocked as general managers prepare to gather in Dallas next week for the Winter Meetings.

Japanese shortstop Munenori Kawasaki aims to make the move to the Major Leagues, and would like to join his countryman and former teammate Ichiro Suzuki in Seattle.

The Rockies acquired right-handed pitcher Tyler Chatwood from the Angels on Wednesday for catcher Chris Iannetta in a deal that increases Colorado's stable of young pitchers and put it in position to sign veteran catcher Ramon Hernandez to a two-year deal.

I think the biggest topic at the Winter Meetings will be the closers who are available. When we look back at this past postseason, and how those games played out, the back end of the bullpen is where many, many games are decided.

Jonathan Broxton said he felt he found the right fit in the Royals, who unveiled their newest reliever at Kauffman Stadium on Wednesday.

Moving to shore up their catching from the offensive side, the Angels on Wednesday acquired Chris Iannetta from the Rockies in exchange for pitcher Tyler Chatwood.

A's catcher Kurt Suzuki is attempting to add on 15 pounds by the start of camp in an effort to help him sustain strength through next season.

Rangers first baseman Mitch Moreland may not being ready for Spring Training after he underwent surgery on his right wrist on Wednesday. But the club fully expects Moreland to be ready for the start of the 2012 regular season.

The Tigers agreed to terms Wednesday on a two-year contract with infielder Ramon Santiago through the 2013 season. Santiago, who spent the past six seasons with Detroit, was a free agent.