DENVER -- Miami Marlins rookie pitcher Jose Fernandez made his first appearance at Coors Field on Tuesday night, and he added to his growing reputation and to the Colorado Rockies' offensive misery.
The 20-year-old All-Star pitched seven innings as the Marlins beat the Rockies 4-2 to win the first two games of the four-game series.
Fernandez (6-5) threw 67 of his 94 pitches for strikes as he lowered his ERA to 2.74 by allowing two runs on five hits and two walks with eight strikeouts.
Left fielder Christian Yelich made his major league debut for the Marlins and went 3-for-4 with two RBIs. He singled on each of his first three at-bats.
Steve Cishek, who retired the side in the ninth Monday on eight pitches, all strikes, to seal Miami's 3-1 win, walked Carlos Gonzalez on four pitches to open the ninth Tuesday. Gonzalez stole second base as Cishek was in the process of striking out Troy Tulowitzki.
Gonzalez moved to third on Michael Cuddyer's groundout, but Cishek earned his 19th save in 21 opportunities by getting Todd Helton, who homered in the second, to pop out.
Rockies starter Jhoulys Chacin (9-5) pitched seven innings and allowed three runs. He was 6-1 with a 1.94 ERA in his previous seven starts. Josh Outman took over in the eighth and yielded a home run to Giancarlo Stanton, his 11th of the season and seventh in nine career games at Coors Field.
The Rockies had cut the lead to 3-2 in the sixth when DJ LeMahieu led off with a triple into the right-field corner and scored on Gonzalez's groundout.
Adeiny Hechavarria doubled home a run in the fourth, and Yelich followed with his third straight hit, a hard grounder off the glove of drawn-in second baseman LeMahieu that put the Marlins ahead 3-1.
Giancarlo Stanton then lined a ball just over the head of Chacin, but with Yelich running on the pitch, LeMahieu was running to cover the base. LeMahieu speared the ball and doubled Yelich off first to end the inning that began with consecutive singles by Donovan Solano and Jeff Mathis before Fernandez bunted into an out at third base.
The Rockies entered the game with a .227 average in July, which was tied for 13th in the National League; 51 runs scored, which was tied for 14th, and a .617 on-base-plus-slugging percentage, which was last in the league.
NOTES: Helton's home run was the 361st of his career, tying him with Hall of Famer Joe DiMaggio for 76th all-time. Lance Berkman, who is on the Texas Rangers' disabled list, is 75th with 366 homers. ... The Marlins transferred 1B Casey Kotchman (left oblique strain) and RHP Alex Sanabia (right groin weakness) to the 60-day disabled list, and INF Chris Valaika (fractured left wrist) was recalled from the 60-day disabled list and designated for assignment. ... Marlins manager Mike Redmond said Fernandez would be limited to about 170 innings in his rookie season. Fernandez's current total is 111 2/3 innings. ... Rockies RHP Rafael Betancourt came to the clubhouse for the first time since his appendectomy Friday and said he was still sore. Trainer Keith Dugger told Betancourt not to return until Thursday when the reliever would begin some light walking on a treadmill and in a pool if the soreness subsides.