Chris Iannetta and Todd Helton homered to back an efficient performance by Jason Marquis, and the Colorado Rockies ended the Detroit Tigers' seven-game winning streak with a 4-3 victory Saturday night.
Marquis (6-3) allowed three runs on six hits and a walk in 7 2-3 innings to win his second straight start. Randy Flores got the final out of the eighth and Huston Street pitched the ninth for his sixth save in six tries.
Slumping Armando Galarraga (3-4) allowed four runs on six hits and a walk in 5 1-3 innings. Galarraga is now 0-4 in five May starts with a 9.92 ERA after going 3-0 with a 1.85 ERA in four April outings.
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