Former Astros outfielder J.D. Martinez hit four home runs on Saturday. While playing a doubleheader with the Triple-A affiliate of the Tigers, he slugged three homers in the first game and another in the second. Martinez has 10 homers on the season already, the most in the minors or majors. Here is a recap of Saturday's baseball news.
Pirates: Activated C Chris Stewart (knee) off the DL and sent C Tony Sanchez to Triple-A in a corresponding move ... Designated 1B Travis Ishikawa for assignment, the team announced. The move clears a roster spot for the recently acquired 1B Ike Davis.
Astros: Prospect OF Delino DeShields Jr. has a broken cheek bone, suffered when he was hit by a pitch.
Orioles: 3B Manny Machado (knee) played five innings in an extended spring training game. He will do the same Sunday and could be cleared for an official minor league rehab assignment in the coming days. (MLB.com)
Rays: RHP Jeremy Hellickson (elbow) has been slowed by soreness but will play catch on Sunday (Tampa Bay Times) ... OF Desmond Jennings was limited to pinch-hitting duties on Saturday due to a groin issue. (Tampa Bay Times)
Red Sox: OF Shane Victorino (hamstring) played in his first minor league rehab game on Saturday. He is expected to play in two more games and then be reevaluated ... 3B Will Middlebrooks (calf) could begin a minor league rehab assignment on Monday. (Providence Journal)
Yankees: RHP Ivan Nova left Saturday's start with a sore elbow and will go for tests, the team announced ... RHP David Robertson (groin) pitched in an extended spring training game and is expected to come off the DL when eligible on Tuesday. (Journal News)
MLB: Likely to adjust the current home plate collision and transfer rules.
Cubs: Baseball operations head Theo Epstein scouted NC State LHP Carlos Rodon this weekend. The Cubs have the fourth overall pick in the 2014 draft. (670 The Score)