Fans are buying more Derek Jeter jerseys this season than jerseys of any other Major League Baseball player, according to sales on the league's website.
Boston Red Sox designated hitter David Ortiz had the best-selling jersey in MLB.com's store this offseason.
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.
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.