Alex Rodriguez admits to ‘plenty of mistakes’ after reporting to Yankees spring training  —  TAMPA - With two strikes against him and no margin for error, Alex Rodriguez resumed his Yankees career on Monday.  —  Having served the longest drug-related suspension in baseball history …

Deal believed to be worth about $30 million  —  Yoan Moncada worked out privately for nine big league teams.  —  Cuban top infield prospect Yoan Moncada has agreed to a record-setting bonus with the Red Sox, according to an industry source.  —  The agreement is pending a physical.

Mayor says Pawtucket Red Sox will move  —  PAWTUCKET, R.I. — Pawtucket Mayor Donald Grebien said his city's Triple A baseball club, the Pawtucket Red Sox, has been sold and is leaving the city.  —  The mayor told radio station WPRO that he was briefed by the team Sunday.

Hart: Braves never discussed trading Kimbrel, other core players  —  Folks wonder how the Braves expect to score runs after trading away three of the top four hitters from an offense that was already the second-worst in the majors in that endeavor.  They dealt their top two home runs hitters …

Cards won't look to Heyward to lead off  —  JUPITER, Fla.  • When describing how stymied he felt at times batting leadoff for the Atlanta Braves, Gold Glove-winning outfielder Jason Heyward borrowed an analogy from the field.  It's playing long toss and really wanting to cut loose …

MLB commish says he'd mull shorter season  —  In his first days as Major League Baseball commissioner, Rob Manfred has been open to considering making changes to help make the sport more marketable.  —  Proving that nothing is off the table, Manfred said Monday that he would entertain shortening …

Upton: Name change not about rebound with Braves  —  Melvin Upton Jr. discusses reverting to his birth name for 2015 and how he is preparing to bounce back heading into the new season  —  LAKE BUENA VISTA, Fla. — The man formerly known as B.J. Upton reported to Braves camp early Monday morning …

Rangers Exercise Adrian Beltre's 2016 Option  —  2:11pm: Jon Heyman of CBS Sports reports that in exchange for guaranteeing the option in advance, Beltre has agreed to juggle his salaries a bit (Twitter link).  Beltre will now earn $16MM in 2015 instead of $18MM, while his 2016 salary will jump from $16MM to $18MM.

Scioscia not sure who will bat fourth, cautiously optimistic about Richards' rehab so far  —  Matt Joyce's home runs and OPS declined in 2014, but he will look to rebound after being traded to the Angels where he may be platooned  —  TEMPE, Ariz. — And the Angels' new cleanup hitter is ... TBD.

Padres prospect Kelly slowed by strained groin  —  Bud Black discusses Casey Kelly's current health and updates the Padres' progress so far at Spring Training  —  PEORIA, Ariz. — Pitcher Casey Kelly remained sidelined Monday with a strained groin, though he felt a bit encouraged that the injury …

Kozma may find himself behind plate  —  JUPITER, Fla.  • Pete Kozma, once the Cardinals' regular shortstop before Jhonny Peralta came along, said last month at the Cardinals' Winter Warm-Up that he would do anything, even pitch, if manager Mike Matheny wanted.