The Nationals, and starting pitcher Garrett Mock went with their alternatejerseys on Thursday — unfortunately, it didn’t alter their luck against Colorado.(AP Photo/Luis M. Alvarez) Rockies 4, Nationals 1: Obviously, the Nats just have trouble matching up with the Rockies — Colorado completed the sweep after another quiet night from the Nationals’ lineup and a good pitching start which somehow lost its way. Adam Dunn smoked a two-out RBI double in the sixth inning,…

Ronnie Belliard (L) and Wil Nieves congratulate each other postgame. Both hithomers to help some fantastic pitching in a 2-0 Nats win. (AP Photo/Al Behrman) Nationals 2, Reds 0: Ronnie Belliard is hardly known as a guy with a ton of power — after all, he’s never hit more than 17 longballs in a season, and he’s a player from whom ten homers in a season would be a solid return. But his blast…

Garrett Mock had his strongest start of the season last night and led the Nationalsto their seventh straight victory. (AP Photo/Luis M. Alvarez) Nationals 5, Diamondbacks 2: Garrett Mock (1-4), who spent two-plus years in the Arizona farm system before coming to the Nationals, earned his first win of the season against his old organization. Mock had easily his best outing of the season, striking out seven in six innings. The righty’s only real…