Ryan Zimmerman's return may have been the spark the Washington Nationals' offense was waiting for. Zimmerman certainly made a difference Tuesday night. The Nationals' All-Star third baseman hit a run-scoring double in his return from the disabled list to spark a six-run seventh-inning as Washington beat the St. Louis Cardinals 8-6. Read more: http://scores.espn.go.com/mlb/recap...s=st.-louis-cardinals-vs-washington-nationals