Jorge De La Rosa pitched two-hit ball over seven-plus scoreless innings before leaving with an injury and the Colorado Rockies blasted three home runs to beat the Los Angeles Dodgers 7-1 on Saturday night, handing Zack Greinke his first loss of the season. De La Rosa (1-2) retired 18 consecutive batters after Kike Hernandez led off the first inning with a double and Jimmy Rollins reached on a throwing error. Carlos Gonzalez, Daniel Descalso and Nolan Arenado homered for the Rockies.