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03/11/2013 10:45 PM ET

Worley doesn't hold back during his four innings

PORT CHARLOTTE, Fla. -- Right-hander Vance Worley came away mostly satisfied with his four-inning outing against the Rays on Monday night at Charlotte Sports Park.

Worley became the first Twins pitcher to reach the four-inning mark this spring, and he gave up two runs on five hits and a walk with two strikeouts. Worley threw 52 pitches and said he felt good enough to go back out for the fifth, but he was told his night was done by pitching coach Rick Anderson.

He allowed a run in the first on an RBI double by Evan Longoria and another in the second on a solo shot by Luke Scott. But he also was able to get out of jams in the second and third innings with inning-ending double plays.

"Early on, I was just trying to get ahead but they were being aggressive, so I made that adjustment late in the second after the home run," Worley said. "I was just working on going inside and outside and changing their eye levels. So for the most part, I was pretty happy with my performance tonight."

Worley, who had a bone chip removed from his elbow in September, didn't hold anything back against the Rays, as he threw all his pitches with maximum effort.

"I turned back around and I was almost mid-90s," Worley said. "I got to 94 [mph] once and I hadn't seen that in a couple years."

Plouffe's MRI on strained calf comes back clean

PORT CHARLOTTE, Fla. -- Third baseman Trevor Plouffe had an MRI on his strained right calf, which came back favorable, Twins general manager Terry Ryan said Monday.

Plouffe, who missed the club's first three Grapefruit League games with the injury, re-injured himself while working out on Sunday. But he's expected to return by next week.

"He'll be out a few more days with a calf strain," Ryan said. "That's good news."

Plouffe said the injury is less serious than when he initially sustained the calf strain while working out before Spring Training.

"I'm not too worried about it," Plouffe said. "But we'll take some time with it. I'm sure I won't be in there this week at all."

Right fielder Chris Parmelee, meanwhile, is scheduled to return to the lineup on Wednesday for the first time since feeling some tightness in his right groin while running the bases in Jupiter, Fla., on March 4.

First baseman Justin Morneau also is expected return to the lineup on Wednesday after Tuesday's off-day, as he arrived back in Fort Myers on Monday after playing for Team Canada in the World Baseball Classic.

Diamond's first live bullpen session goes well

PORT CHARLOTTE, Fla. -- Twins left-hander Scott Diamond threw his first live bullpen session of the spring on Monday, and everything went as planned, according to Twins manager Ron Gardenhire.

Diamond, who had bone chips removed from his left elbow in December, had previously only thrown bullpen sessions leading up to his first action against hitters on Monday.

"Diamond threw and everything went well," Gardenhire said. "He threw eight minutes to hitters. Everything came out good."

Diamond is scheduled to make his first start on March 18, but Gardenhire said it'll likely come on the Minor League side, as they want him to get acclimated to pitching in a game before he makes his first Grapefruit League start.

The left-hander could be ready to rejoin Minnesota's rotation by about April 10 if all continues to go as planned. The Twins open the season on April 1 against the Tigers at Target Field.

Playing for Puerto Rico, Berrios impresses Twins

PORT CHARLOTTE, Fla. -- Even though Twins prospect Jose Berrios picked up the loss in Puerto Rico's 4-2 defeat to the Dominican Republic on Sunday, general manager Terry Ryan and manager Ron Gardenhire were impressed with the young pitcher.

Berrios, who is just 18 years old, made his World Baseball Classic debut and gave up two runs on three hits and a walk. But he also struck out Yankees star Robinson Cano on a high fastball.

"I was impressed with his composure," Ryan said. "He came back and got himself under control. I heard he threw hard and threw some nice changeups. It was a tough situation against tough competition at 18 years old. He started to crack a little but got it back, so I was impressed. And now they're going to Miami. He'll benefit from what he experienced."

Berrios, ranked as the club's No. 9 prospect according to MLB.com, posted a 1.17 ERA with 49 strikeouts and four walks in 30 2/3 innings in rookie ball last year. He's expected to start the year at Class A Cedar Rapids.

"He has no fear," Gardenhire said. "He's very confident. He's not afraid at all."

Rhett Bollinger is a reporter for MLB.com. Read his blog, Bollinger Beat, and follow him on Twitter @RhettBollinger. This story was not subject to the approval of Major League Baseball or its clubs.