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5/7/2014 8:21 P.M. ET

Schumaker glad to finally contribute after layoff

BOSTON -- Reds outfielder Skip Schumaker was itching to make his first offensive contribution for the team. It took until his third game back from the disabled list on Tuesday, when he notched an RBI single to center field in the second inning and a two-out single up the middle in the fourth during a 4-3 loss to the Red Sox in 12 innings.

"You're waiting for that first one, that's for sure," Schumaker said before the game Wednesday, who then belted a two-run homer in the third inning. "I don't care if it's a bloop or a broken bat, you want to get that first one out of the way and get settled in. Luckily for me, it fell in at the right time with someone on base."

Schumaker, who began the season on the DL after dislocating his left shoulder during a March 21 Cactus League game, hit the ball hard a few times -- even when he grounded into a double play to second baseman Dustin Pedroia in the sixth inning.

"I feel like I am close. It was so much time off, you just don't know," Schumaker said. "Minor League rehab is a little bit different than the big leagues."

In the fourth inning, Schumaker's shoulder got a test when he dove for Jackie Bradley Jr.'s liner to center field and knocked it down for a single. Schumaker is not afraid of the risk to his shoulder to make a play.

"At this point, you just have to go for it," said Schumaker, who led off and played center field for Billy Hamilton on Wednesday. "If something happens, it happens. I can't worry about it while I'm playing. On my rehab stint, I was thinking about not diving to be honest with you. I wasn't going to have anything happen down there. I don't anticipate anything happening up here. With the rehab and everything, I feel like I can do almost anything."

Chapman labors in two Triple-A rehab outings

BOSTON -- If Reds closer Aroldis Chapman's Minor League rehab assignment is completed, it certainly did not end on a high note.

Chapman pitched on Tuesday night and Wednesday afternoon for Triple-A Louisville and was unable to complete an inning both times. On Wednesday vs. Norfolk, he gave up three runs and three hits over one-third of an inning with one walk and one strikeout while throwing 21 pitches, 13 for strikes.

On Tuesday, Chapman lasted two-thirds of an inning and gave up five runs and four hits with one walk, one hit batter, one wild pitch and one strikeout. He threw 33 pitches.

"He obviously wasn't terribly sharp," Reds manager Bryan Price said. "He got hit, walked a couple of guys, hit a guy, so it wasn't an excellent outing. We would like him, when we activate him, to be ready to go. We'll make an assessment, I'm sure, in the next couple of days."

The Reds had expected Chapman to have four rehab outings as he prepared to return from being hit on the face by a line drive March 19. His first two appearances were a combined two scoreless innings for Class A Dayton last week.

Last weekend, Price anticipated that Chapman could be ready for activation from the disabled list on Friday, when the Reds open a three-game series at home against the Rockies.

Price wasn't ready to make that commitment until first speaking with Louisville manager Jim Riggleman and Bats pitching coach Ted Power.

"When we activate him, he's activated. We want to make sure that he's right," Price said. "We don't want to activate him prematurely. So we'll get some feedback, and talk to Chappy when we see him and see where he's at."

Mesoraco not running at full speed yet

BOSTON -- Reds catcher Devin Mesoraco is eligible to come off of the disabled list on Sunday, after he incurred a left hamstring strain April 25 at Atlanta. However, Mesoraco has not advanced to hard running to test his hamstring.

"He was doing a little bit of light jogging at home," Reds manager Bryan Price said Wednesday. "He's doing all of his exercises and treatment and doing some running each day now. I don't believe there is any sprinting yet."

With Mesoraco out, Brayan Pena and Tucker Barnhart have taken his place behind the plate.

Worth noting

• The Reds entered Wednesday with 10 one-run losses, which leads the Major Leagues. That includes Tuesday night's 4-3 loss in 12 innings against the Red Sox.

Mark Sheldon is a reporter for MLB.com. Read his blog, Mark My Word, and follow him on Twitter @m_sheldon. This story was not subject to the approval of Major League Baseball or its clubs.