Rookie outfielder Noel Cuevas had three hits, including a three-run homer to break a tie in the seventh inning, as the Colorado Rockies defeated the host Seattle Mariners 5-1 Saturday afternoon at Safeco Field.The Rockies won their fifth in a row and for the eighth time in their past nine games.It was the second straight night the Rockies’ No. 9 hitter in the order drove in three runs, as Tony Wolters accomplished the feat with two triples Friday night in a 7-1 Colorado victory.Rockies right-hander Scott Oberg (2-0) got the win with one perfect inning of relief. Oberg struck out two.Colorado starter Kyle Freeland, a left-hander, pitched five innings and allowed one run on five hits. He walked four and struck out four.Mariners lefty James Paxton (8-3) allowed four runs on seven hits. He walked one and struck out nine.The score was tied at 1-1 until the seventh. With one out, Pat Valaika walked and Gerardo Parra grounded a single to right field. After a mound visit, Cuevas hit an 0-1 pitch over the wall in left-center field, his second of the season.Colorado added a run in the ninth off reliever Juan Nicasio. Carlos Gonzalez led off with a double to center field, moved to third on a single by Valaika and scored on Parra’s sacrifice fly.