PORT ST. LUCIE, Fla. - From the time he arrived in camp, David Wright has told anyone willing to listen that he's done fretting about the banged-up shoulder that robbed him of power and ruined his 2014 season.

Until Saturday, he had offered only little examples.

But with one swing -- in the Mets' 13-4 Grapefruit League victory over the Nationals -- Wright bolstered his words with a mammoth three-run homer that cleared the batter's eye in straightaway centerfield.

"It's always fun to hit a home run," he said. "It's nice. It's good when, especially this early in spring, where you make good contact and you get good results."

Wright hadn't homered in game action since July 11, at which point he already had jammed his left shoulder on a slide into second base.

"That ball was mashed," manager Terry Collins said. "It was good. That's what we've been looking for. If he hits the ball hard, if he just works on trying to get base hits and he just hits the ball hard, those things happen because he's got that kind of power."

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Last season, the injury sapped Wright of his power and contributed to the worst season of his career. He hit .269 with eight homers and 63 RBIs in 134 games.

"The good thing about coming into this spring is I haven't, at least in my mind, I haven't had any questions about my health," Wright said.

Wright's monstrous homer was proof. It came against the Nationals' Tanner Roark, a 15-game winner last season who still would have a rotation spot if not for the signing of Max Scherzer.

"I think I put in a lot of work and I think a lot of people put in a lot of work toward me to get me healthy this offseason," said Wright, who has enjoyed a normal spring training. "It's nice to come out full go, no limitations, no restrictions."

The Mets' hopes of contending for a playoff spot hinge partly on how Wright bounces back. So far, the results have been encouraging.

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"It was great for him today," Collins said. "I think it was really good for him to finally know that, 'Hey, look, I can still hit a ball like that.' "

Wright is hitting .294 in seven games, but even beyond the numbers, he appears to be in a good place physically. He has looked comfortable manning third base and has moved without issue.

"I think I've played four games in a row the first week of spring; today is three in a row," said Wright, who will get the next few days off. "So it feels good to go out there and be normal as far as routine, not having to worry about baseball stuff on top of finishing up rehab, or not being held back because of my shoulder, so that part of it feels real good."