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5/4/2014 9:29 P.M. ET

Young scratched after freak batting cage injury

DENVER -- Eric Young Jr. was scheduled to make his first start of the series but was scratched from the lineup after suffering a freak injury in the indoor batting cage.

Lucas Duda was hitting during a soft-toss drill and lined a ball off the protective screen that ricocheted and struck Young below the right eye. A CT scan on his right cheekbone was negative. He is listed day-to-day with a right cheekbone contusion.

Young, who said he passed a concussion test, had slight swelling under his right eye. Manager Terry Collins said he was going to play Young had he not been dizzy upon returning to Coors Field.

"Anybody that gets hit with a baseball in the head is going to experience some discomfort," Young said after the Mets beat the Rockies, 5-1. "X-Rays and CT scan came back good. Fortunately, it's just a little headache right now."

Asked whether he thought he would be able to play Monday, Young said, "I don't know what my symptoms will be tomorrow. As of right now, I'm good to go. If need be, they probably could have gotten me in the game later today."

Young was scheduled to start in left field and Chris Young was going to play center field. Instead, Juan Lagares started in center and Young started in left.

Collins had planned to give Lagares the day off. He played three straight games since coming off the disabled list Thursday, and Sunday was a day game after a long night game. Collins was mindful that Lagares had been on the disabled list with a hamstring injury and had done a lot of running at Coors Field where center field is vast.

Lagares ended up going 3-for-5 with a double and scored two runs.

Granderson emerging from early-season slump

DENVER -- Curtis Granderson is putting his slow start behind him, which is welcome news for the Mets offense. Entering Sunday, Granderson had hit safely in four straight games, going 6-for-15. And he went 2-for-4 with two RBIs in each of the past two games.

"He's really putting good swings on the ball," manager Terry Collins said. "When you see Curtis getting base hits in the middle of the field, that means he's swinging better. That's very, very encouraging because when we start doing the things offensively we know we can do, this is going to be a different lineup. I think with the lineup we have, we have the ability to hit anywhere, not just here."

Granderson entered Sunday hitting .170 with two home runs and 11 RBIs. But in the first three games of this series, he went 5-for-12 with one homer and four RBIs, which did not surprise Rockies manager Walt Weiss.

"He's got a great track record," Weiss said. "Those guys don't stay down for long. You hope you get him through town before he gets hot, but it looks like Curtis is starting to heat up. He's taking some good swings off some lefties for us, so it looks like he's starting to get in a good place. I'm glad they're going to be on their way [out of] here."

Collins sticking with Farnsworth as closer

DENVER -- Kyle Farnsworth blew a save and took the loss Saturday night, but manager Terry Collins said he wasn't planning to remove him from the closer role.

Coming on in the ninth with the Mets leading 10-9 after scoring in the top of the inning, Farrnsworth gave up a leadoff single to Troy Tulowitzki and a one-out walk-off home run to pinch-hitter Charlie Culberson.

Farnsworth also suffered the loss April 26 at Miami when he gave up a homer in the 10th to Jarrod Saltalamacchia.

"Right now Kyle's the closer," Collins said. "We're playing in Colorado at Coors Field. For years and years, the one thing that made these guys such a good team, they're up here. I've lost a lot of games here in the last 10 years. My first year as a manager in the big leagues, I was in Houston when this stadium opened (in 1995). I called down to the bullpen many times and nobody answered the phone. And that tells you exactly how it looks like to pitch here."

Levity notwithstanding, Collins might have a closer option in Daisuke Matsuzaka. Collins said he didn't plan to use him today after he threw 40 pitches in 2 2/3 innings Saturday night and seemed to be dealing with soreness in his right calf.

"He has had a history of a calf issue," Collins said. " As I said 10 days ago, he's got to be one our options we're going to close with. But it won't be today."

Matsuzaka has a 1.74 ERA in 10 relief appearances this season, and has allowed one run in 9 1/3 innings in his past six games. He earned his first Major League save on April 24, pitching a scoreless inning in the Mets' 4-1 win over the Cardinals.

Fatigue not a factor in Mejia's struggles

DENVER -- Jenrry Mejia sailed through four scoreless innings Saturday night, allowing three singles and enjoying a 6-0 lead. But he was gone after 4 1/3 innings when he gave up eight runs in the fifth, including Nolan Arenado's grand slam that put the Rockies ahead 8-6 and finished Mejia after 66 pitches.

Mejia threw just 19 pitches to the nine Rockies batters he faced in the fifth, and a batter reached base on each of his final five pitches. Before the game, manager Terry Collins spoke about the need for Mejia to get past the middle of a game and survive a third turn through a lineup. Collins is certain that fatigue is not a factor in Mejia's struggles in that area.

"He's the most conditioned pitcher -- and no disrespect to the other guys -- on that staff," Collins said. "He runs and runs and runs."

Worth noting

• Lagares led off the first with a single that extended his hitting streak to a career-high 13 games. He also hit safely in 12 consecutive games from Aug. 25-Sept. 7, 2013. Lagares, who has at least one hit in 16 of the 17 games he has played this season, was not in the original Mets lineup. He took the place of Eric Young Jr., who was hit below the right eye with a ball that richocheted off the netting of the indoor batting cage.

• The Mets went ahead 1-0 in the first and have held the lead in 26 of 30 games this season.

Jack Etkin is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.