German Marquez (8-4, 4.20 ERA) at Nationals RHP Tanner Roark (8-6, 4.83), 5:05 p.m. Friday, AT&T SportsNet; 850 AM
In his past three starts, Marquez, a 22-year-old rookie, has blazed through an effective run of command, striking out 23 batters and walking just four. That’s the kind of control and strike zone coverage that makes Colorado manager Bud Black smile. Last week, in a benches-clearing game against the Pirates at Coors Field, Marquez got fired up by the rhubarb and shut down hitters, giving up just two runs on three hits over seven innings. His WHIP (walks and hits allowed per inning) and batting average against are all down to season lows. He is rolling. Saturday: Rockies LHP Kyle Freeland (10-7, 3.64 ERA) at Nationals TBA, 5:05 p.m., AT&T SportsNet
Sunday: Rockies RHP Jon Gray (3-1, 5.84) at Nationals RHP Edwin Jackson (1-1, 3.75), 11:35 a.m., AT&T SportsNet Monday: Off
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