Boston Red Sox designated hitter David Ortiz had the best-selling jersey in MLB.com's store this offseason.
Roc Nation Sports, the sports agency started by Jay Z, has signed New York Yankees pitcher CC Sabathia and will represent him on and off the field.
Fans have purchased more Mariano Rivera jerseys than those of any other Major League Baseball player in the second half of the season, according to sales of jerseys on MLB's online shop.
Pepsi has signed New York Yankees second baseman Robinson Cano to be the face of its national Major League Baseball marketing campaign.
San Francisco Giants star catcher Buster Posey's jersey was the top seller. Of the top 20 best-selling jerseys on MLB.com, only two belong to players -- Derek Jeter and Mariano Rivera -- who are older than 30.
Will Jay-Z actually represent clients of his newly created sports agency, Roc Nation Sports, in contract negotiations? It sure looks like he's ready to.
Yankees second baseman Robinson Cano, who is in the final season of a $57 million contract, has left agent Scott Boras to sign with a company founded by Jay-Z.
For the third straight season, baseball fans bought more Derek Jeter jerseys than any other.