Mike Yastrzemski helps Giants finish 4-game sweep of Rockies

Mike Yastrzemski doubled, homered and scored twice to help the San Francisco Giants complete a four-game sweep of the Colorado Rockies with a 3-0 victory on Thursday afternoon in Denver.Joc Pederson went 3-for-4 with an RBI and Luis Gonzalez and Jason Vosler each contributed two hits for the Giants, who improved to 11-5 against Colorado this season.The Giants (73-77) used a string of relievers in the series finale.Jharel Cotton (3-2) made his San Francisco debut and threw 2 2/3 innings of scoreless relief in the middle innings to earn the win. He allowed two hits, struck out one and didn’t walk a batter.Rockies starter Jose Urena (3-7) allowed two runs and seven hits in 5 2/3 innings. He struck out six and walked one.Yonathan Daza and Michael Toglia had two hits each for Colorado (64-86), which had 10 hits.The Giants took a 1-0 lead in the first inning when Yastrzemski doubled with one out and came home on a two-out single by Pederson.Yastrzemski came up with one out in the sixth and blasted an 0-2 pitch deep over the fence in right for a 2-0 lead.Yastrzemski has 10 home runs in 27 career games at Coors Field.LaMonte Wade Jr. made it 3-0 with a two-out RBI single in the seventh.