The Washington Nationals still have one of the worst records in baseball, but it hasn't shown lately. 

Cristian Guzman battled injuries the past two seasons. 

Cristian Guzman battled injuries the past two seasons. 

Pirates left-hander Tom Gorzelanny will miss his scheduled start Tuesday against San Francisco because of a strained lower back, but expects to pitch next weekend against Atlanta. 

MEDICAL WATCH: LHP Tom Gorzelanny (lower back tightness) left the April 30 game as a precaution. 

--LHP Phil Dumatrait allowed four runs and six hits in four innings Friday night and did not get a decision in his first start of the season. 

Spring training statistics usually don't mean anything once the regular season starts, and Xavier Nady is proof of that. 

The Washington Nationals hadn't been losing many games by large margins lately. 

Jose Bautista homered twice and drove in four runs and the Pittsburgh Pirates defeated Washington 11-4 Friday night, ending the Nationals' winning streak at a season-high four games. 

An electrical outage that interrupted Friday night's Pirates-Nationals game didn't do much to stop Jose Bautista. 

Friday night's game between the Pittsburgh Pirates and Washington Nationals was delayed 25 minutes in the fourth inning when an electrical malfunction at Nationals Park caused lights along the left- and right-field lines to shut off. 

Top Two-Start Pitchers of the Week 

--SS Jack Wilson will begin a minor league injury rehabilitation assignment Saturday at Class AA Altoona. 

MEDICAL WATCH: LHP Tom Gorzelanny (lower back tightness) left the April 30 game as a precaution. 

Phil Dumatrait is getting a second chance to prove he can be a starting pitcher in the major leagues, and he couldn't be happier.