Injuries have hit a number of teams, and one of the most significant is to Arizona Diamondbacks second baseman Aaron Hill, who is expected to miss 4-6 weeks with a broken bone in his left hand.
Hill was hit by a pitch April 9, but returned after X-rays came back negative, and made pinch-hitting appearances on April 13 and 14. He was batting .306 with two homers and six RBIs in the team's first 10 games.
An MRI taken Monday night revealed the break. The team placed him on the disabled list and summoned shortstop prospect Didi Gregorius from Triple-A Reno, where he was hitting .387 in seven games.
--Boston Red Sox closer Joel Hanrahan will be placed on the disabled list due to lingering right hamstring soreness, according to multiple reports.
Hanrahan rested for a few days, but the issue didn't improve.
--Chicago White Sox second baseman Gordon Beckham had surgery to remove the hamate bone from his left hand.
The team said the procedure went "splendidly," and Beckham is expected to miss 6-8 weeks.
--The San Francisco Giants placed left-handed reliever Jeremy Affeldt on the 15-day disabled list with an oblique strain, and Jean Machi has been recalled from Triple-A Fresno, CSN Bay Area reported.
--Cleveland Indians outfielder Michael Bourn will be placed on the disabled list because of a lacerated finger, manager Terry Francona said.
Bourn was injured Sunday when he slid head-first into first base to avoid colliding with White Sox reliever Matt Thornton. But Thornton accidentally stepped on Bourn's finger with his cleat during the play.
--Milwaukee Brewers starting pitcher Yovani Gallardo was arrested on suspicion of drunk driving, according to multiple reports, citing the Milwaukee County Sheriff's office.
The 27-year-old produced a blood-alcohol level of 0.22, nearly three times the state legal limit of 0.08.
Gallardo has a 0-1 record and a 6.61 ERA through 16 1/3 innings.
---Oakland A's first baseman Brandon Moss will be away from the team for 2-3 days on paternity leave, and will be replaced on the roster by Shane Peterson.
---Major League Baseball's investigation into the alleged Miami PED case continues, and league officials are encouraged by the progress, according to a CBSSportsline report, citing people who have spoken to the investigators.
However, MLB hasn't scheduled testimony from any of the players whose names have surfaced, including New York Yankees injured third baseman Alex Rodriguez and Milwaukee Brewers left fielder Ryan Braun
---The Seattle Mariners are buying a controlling stake in the Root Sports Northwest television network that broadcasts its games as well as other regional sports events.
In Tuesday's announcement, the Mariners said the network will continue operating under the Root Sports brand, and will televise Mariners baseball through the end of the 2030 season.
----Chicago Cubs second baseman Darwin Barney is back from the disabled list after missing the first two weeks with a lacerated knee. He was in the starting lineup on Tuesday.