Injuries can ruin a fantasy season. 

MEDICAL WATCH: 3B Ryan Zimmerman (sore right shoulder) didn't play May 26-29. 

--OF Ryan Langerhans recorded his first hit in seven at-bats this season Thursday, but he picked a good time to come through in the clutch. 

The Nationals' offensive woes have been a season-long problem. 

The Arizona Diamondbacks are suddenly struggling, particularly at the plate. 

Jody Gerut had a great scouting report and some superb motivation when he stepped up to the plate against Charlie Manning with one out and two runners on in the eighth inning of a tie game. 

MEDICAL WATCH: 3B Ryan Zimmerman (sore right shoulder) didn't play May 26-28. 

Odalis Perez showed up at Petco Park on Wednesday afternoon weak and in pain after having emergency root canal. 

--3B Ryan Zimmerman sat out his third consecutive game Wednesday, still nursing a sore left shoulder, and he may miss Thursday's series finale against the Padres as well. 

Jesus Flores had the big hit, but Odalis Perez overcame big pain to help the Washington Nationals. 

The Washington Nationals are hoping they've started to end their struggles in San Diego. 

Jesus Flores hit a grand slam and the Washington Nationals beat the San Diego Padres 6-4 Wednesday night. 

Jesus Flores hit a grand slam and the Washington Nationals beat the San Diego Padres 6-4 Wednesday night. 

Fantasy baseball waivers and the acquisition of free agents can make or break a season. 

Bret Boone has decided to retire again after a brief minor league stint in the Washington Nationals' farm system.