Jurickson Profar has been cleared to increase his "baseball activities" after an MRI exam on his shoulder revealed progress.

Profar has been sidelined with an injury to his teres major muscle.

The Texas Rangers infielder can begin swinging a bat right away, but he's still 7-10 days away from throwing a baseball.

Michael Pineda, who is currently serving a 10-game suspension for using pine tar in a game against the Boston Red Sox, pulled himself from a simulated game on Tuesday because of back soreness.

Pineda, who pitched only one inning in Tampa, felt soreness in a back muscle on his right side.

Tests revealed that he has a Grade 1 strain of the teres major muscle in his back. Pineda probably won't pitch for three to four weeks.

The right-hander is 2-2 with a 1.83 ERA, 1.02 WHIP and 15 strikeouts in 19.2 innings this season.

In hopes of speeding up his return from an oblique injury, Chris Davis has had two platelet-rich injections into his left side.

"They drew my blood and injected the platelets from my blood into my oblique because it is supposed to speed up the healing process," Davis told The Baltimore Sun.

Davis was placed on the disabled list by the Baltimore Orioles over the weekend and is eligible to return on May 11.

He is hitting .250/.372/.382 with two home runs and 13 RBIs this season.

Manny Machado has left his rehab assignment with Class-A Frederick to join the Baltimore Orioles.

The Orioles are slated to host the Pittsburgh Pirates for the first of a two-game series, although there's rain in the forecast all day and night.

Machado played for Frederick over the weekend. He has been rehabbing back from offseason left knee surgery after a season-ending injury suffered in late September, and he was brought along slowly this spring before a setback while running the bases slowed his timetable.

Archie Bradley has been placed on the Minor League disabled list with a mild flexor strain in his elbow.

Bradley was considered one of the best prospects in baseball entering the season. The Arizona Diamondbacks haven't received good pitching from their starters, but have been hesitant to promote him.

He has struggled recently, allowing 12 runs in his last 12.1 innings.

Mac Williamson, considered by some to be the San Francisco Giants' top hitting prospect, will have Tommy John surgery on Tuesday.

Williamson hit 25 home runs for Class A San Jose last year.

The 23-year-old has been dealing with the injury to his throwing elbow all season.

Bryce Harper will undergo surgery Tuesday to repair a torn ulnar collateral ligament in his left thumb and is expected to be out until at least early July, according to sources.

The 21-year-old injured his hand during a head-first slide into third on a bases-clearing triple in Friday's game against the San Diego Padres.

"I slid into the bag and I caught it a little bit," Harper said. "Went into the dugout, swung a couple in the cage, felt fine. Went out to the outfield, it swelled up a little bit. ... So I got in and got some treatment on it."

Harper is hitting .289/.352/.422 with one home run and 9 RBIs.

Anibal Sanchez has landed on the 15-day disabled list because of a blister problem.

The right-hander is 0-2 with a 3.13 ERA in five starts for the Detroit Tigers this season.

Sanchez left in the third inning of Saturday's 5-3 loss to the Minnesota Twins with a blister on his right middle finger.

Doug Fister made his first rehab start with Class A Potomac on Sunday and said he "felt strong" after allowing six hits over four innings.

Fister has been on the disabled list all season. He dealt with elbow inflammation in early spring, and suffered a lat strain near the end of spring training.

"No discomfort," he said. "No anything. Felt loose where I needed it to be."

He's expected to make his next, and final, rehab start on Friday with Double-A Harrisburg.

Clayton Kershaw will make one more rehab start before returning to the Dodgers, and the left-hander didn't hide his feelings as he voiced his displeasure at the move Sunday.

Kershaw, who has lobbied to come off the disabled list this week, instead will start Wednesday for Class AA Chattanooga. He was placed on the DL with inflammation in his back after his Opening Day start in Australia last month.