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Colorado (31-32) at Washington (30-35) 7:05 pm EDT

WASHINGTON (Ticker) -- Rookie Michael O'Connor and the Washington Nationals will try to avoid consecutive losses to the Colorado Rockies on Tuesday in the second game of their four-game series.

O'Connor (3-3, 3.04 ERA) will take the ball in search of his second straight win after yielding two runs and three hits in six innings during a 5-2 victory over the Philadelphia Phillies on Thursday.

This start will mark the first appearance for O'Connor against Colorado.

The Rockies opened their seven-game road trip on a positive note as they posted a 4-3 victory here in the series opener on Monday. Catcher J.D. Closser scored once, had two hits and drove in the go-head run during the win.

Colorado will turn to Josh Fogg (3-4, 5.21) on Tuesday. Fogg was tagged for eight runs through only 4 1/3 innings but did not figure into the decision in Wednesday's win against the Pittsburgh Pirates.

The 29-year-old righthander is 0-3 with a 3.19 ERA in five career starts against the Nationals and is winless in his last three outings overall. In his past six road starts, Fogg is 2-2 with a 4.73 ERA.