Eduardo Rodriguez had his best outing of the season in leading the Boston Red Sox to a 5-0 win at Cincinnati on Saturday afternoon.
Mitch Moreland had two hits, including a three run home run. Christian Vazquez also had two hits.
The Red Sox have a four game lead and a magic number of five to win the American League East.
The Red Sox have eight games left in the regular season, including their final road game on Sunday when Doug Fister pitches against the Reds.
Mookie Betts was scratched from the lineup due to a knee contusion.
