David RobertsonYankees reliever David Robertson was diagnosed with just a bone bruise in his right foot, CBSSports.com insider Jon Heyman reports. Robertson injured his foot moving boxes on Wednesday and was sent for more tests on Thursday. The bone bruise is a welcome diagnosis, which shouldn't keep him out of opening day.

Robertson is expected to be removed from his walking boot by Sunday.

• Ryan Howard will not be out of his walking boot anytime soon. Howard will remain in his boot for a "week or more," Phillies general manager Ruben Amaro told reporters. [CSNPhilly.com]

• Angels outfielder Mike Trout has been sick since he reported to camp, and according to Anaheim manager Mike Scioscia, he's lost 10 pounds so far this spring and won't be playing in games for "a number of days." [Orange County Register]

• Washington's Bryce Harper took batting practice on Friday and didn't feel any pain in his strained left calf. He's not in Saturday's lineup, and told reporters he had hoped to play in the team's exhibition against Justin Verlander and the Tigers. However, manager Davey Johnson said Harper will be out "at least three days." [Washington Post]

• In what could have been a much scarier situation, Dodgers reliever Kenley Jansen has received clearance to resume all baseball activity after suffering a recurrence of heart palpitations Thursday night. Jansen said he expects to pitch on Saturday. [MLB.com]

• The Phillies got good news as an MRI showed outfielder Domonic Brown's thumb injury wasn't serious. Brown suffered a sprained right thumb on Monday diving for a ball. There was more concern than normal because it was the fourth injury to his right hand since 2009. However, the MRI showed only inflammation and he expects to return to action next week. [Philadelphia Inquirer]

• Braves starter Tommy Hanson will make his spring debut on Sunday. Hanson suffered a concussion in a car accident on Feb. 20, which set back the start of his spring. [Atlanta Journal-Constitution]

• Cubs catcher Geovany Soto hopes to make his Cactus League debut on Saturday after missing the first part of the exhibition season with a strained groin. [MLB.com]

• Mariners catcher Adam Moore does not have a broken bone in his wrist as the team feared on Thursday. Instead, he had a bone chip break loose inside his wrist. He will have to wear a splint for a week or two, but will be able to catch bullpens starting Saturday -- even though he won't be able to throw the ball back. Moore is expected to miss three or four weeks, but could be ready for the start of the season. He wasn't expected to make the team out of spring training. [Seattle Times]

• Plenty of injury news from the Marlins, though none of it sounds too serious -- outfielder Chris Coghlan and infielder Greg Dobbs were scratched from Friday's game with "minor aches," while Logan Morrison was scratched from Thursday's game with soreness in his right knee. Morrison said he'd play if it were the regular season. [Palm Beach Post]

• Yankees reliever Joba Chamberlain took a big step in his rehab from last June's Tommy John surgery, throwing breaking pitches in front of the mound on Friday. He is expected to continue on his current path before throwing breaking pitches off the mound next Friday. [New York Post]

• White Sox outfield prospect Brandon Short will miss the entire 2012 season after suffering a dislocated left shoulder and torn labrum. The 23-year old crashed into the center field fence trying to make a catch on Thursday and will have surgery soon. [Chicago Tribune]

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