DENVER (Interstat) — The Washington Nationals, hovering at .500, open a crucial three-game series against the Colorado Rockies on Monday, July 20, at Coors Field. Washington (50-50) enters the 8:40 p.m. ET contest having won two of its last three, including a 5-2 victory at Oakland on Sunday. Colorado (40-61) dropped its series opener to Cincinnati on Sunday, though the Rockies did salvage a win Saturday. The Nationals send left-hander Foster Griffin to the mound. Griffin has been dominant, winning his last five starts. In Sunday’s win over the Athletics, he allowed one earned run over seven innings. In his previous outing on July 8, he struck out nine over seven innings. He has not allowed more than one earned run in any of his past five outings, posting a 0.76 ERA over that span. Colorado counters with a lineup featuring catcher Hunter Goodman, who had a three-homer, five-RBI performance in Sunday’s 9-6 loss to Cincinnati. Goodman went 3 for 4 in that game, but has been inconsistent, with four hitless outings in his last eight games. The Nationals, who have won four of their last seven, are led by shortstop CJ Abrams, who went 2 for 4 with a home run and two RBIs in the win Sunday. The Rockies have dropped seven of their last 10, but have shown offensive flashes, scoring 10 runs against the Reds on Saturday. Washington is a -1.5 favorite on the run line, per Interstat, which projects a 5-4 Nationals victory. The over/under is set at 11.5 runs, typical for Coors Field’s hitter-friendly dimensions. Following Monday’s opener, the teams meet again Tuesday and Wednesday. The Nationals then return home for a six-game homestand against Arizona and Toronto, while the Rockies travel to Milwaukee before a road trip to San Diego.