Rockies 4, Nationals 2: Colorado rallied for two runs against Stephen Strasburg in the sixth inning and went on to top visiting Washington in the opener of a four-game series.
Carlos Gonzalez tied the contest in the sixth with an RBI single and Todd Helton lifted a sacrifice fly later in the frame for a 3-2 lead. Chris Nelson, who entered as a pinch runner in the sixth, added insurance in the seventh with a run-scoring base hit as the Rockies halted a six-game home losing streak.
Strasburg (9-2) allowed three runs and six hits over six innings as his six-game winning streak came to an end. The 23-year-old, who struck out eight and walked one, fell to 5-1 in eight road starts this year.
Josh Roenicke (3-0) tossed two scoreless innings in relief of starter Jeff Francis, who yielded two runs over five frames. Matt Belisle struck out two in a perfect eighth and Rafael Betancourt worked around two hits in the ninth for his 12th save in 15 opportunities.
Ryan Zimmerman gave Washington a 1-0 lead in the third with an RBI double, but Dexter Fowler knotted the contest in the bottom half with a two-out infield single that plated Wilin Rosario. Strasburg helped his own cause in the fifth, driving in Jesus Flores with a double.
Flores collected three hits for the Nationals, who fell to 1-3 on their 10-game road trip.
GAME NOTEBOOK: Nelson entered the game for 2B Marco Scutaro, who departed after being hit in the helmet by a fastball from Strasburg. ...Nationals IF Mark DeRosa was activated from the 15-day disabled list prior to the game after missing 50 contests with a strained left oblique. To make room on the roster, Washington placed OF Xavier Nady on the DL with tendinitis in his right wrist. ...The Rockies optioned RHP Alex White to Triple-A Colorado Springs after he allowed four runs in just 2 2/3 innings in Sunday's loss to Texas. White posted a 9.58 ERA while tossing only 10 1/3 frames over his last three outings.