Werth's MRI on hamstring comes up negative

Werth's MRI on hamstring comes up negative
May 9, 2013, 1:45 pm
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Still out of the Nationals' lineup with a sore right hamstring, Jayson Werth underwent an MRI Thursday morning that came up negative in initial results. The team wants to have team medical director Dr. Wiemi Douoguih take a closer look, however, before a specific return date is announced.

With the MRI showing no serious problems, Davey Johnson believes the hamstring acting up has more to do with Werth being dehydrated. The Nats' outfielder has been dealing with a stomach problem over the past week.

"They put him on an antibiotic and his MRI, I think in talking to Jayson, was okay," Johnson said. "Wiemi hasn't really gone over it with a fine tooth comb yet, but he's going to look at it. We'll know more, but I imagine hopefully what he's on, he'll be good to go soon."

Werth was doing sprints in the outfield before Thursday's game, looking no different than his normal self. He has also been eating normal foods according to his manager. 

"What I'm hearing, they can get to the cause of it," Johnson said. "I think it's more dehydration that's causing the problems with his legs."

"When he gets dehydrated, then the muscles start spasming."

Johnson said the dehydration is causing cramping and that it will just take time for him to get over. Whatever the reason, Werth's injury is just one of several hamstring problems the Nats have dealt with this season. Ryan Zimmerman and Wilson Ramos each served 15-day disabled list stints because of hamstring issues in April.

"It's kind of the theme this year, we had it a little bit with Zimm, not knowing about his hamstring," Johnson said. 

"Then we've had some kind of nagging injuries, a couple guys under the weather for a couple of days. We've been used to playing one man short, but I got a lot of quality players so it's not a big loss."

Werth has been out of the lineup since leaving the team's game on May 2 in the fifth inning against the Braves.