DENVER (AP) — Carlos Martinez labored most of the game. Not with his pitches, but catching his breath.

Martinez threw five effective innings despite struggling to take a deep breath in the thin air and added a two-run double, helping the St. Louis Cardinals gain ground in the NL playoff race with a 5-3 win over the Colorado Rockies on Monday night.

The Cardinals moved within one game of wild card-leading New York and San Francisco as both lost on Monday night.

Martinez (15-8) helped his own cause with a two-out double as part of a three-run fourth. He also was hit just below the left leg by a fastball from Tyler Anderson (5-6) in the third — two pitches after Randal Grichuk lined a two-run homer.

Really, though, the biggest issue for Martinez was breathing in the Mile High City.

“The altitude affects everybody a little differently,” Cardinals manager Mike Matheny said. “It affected him today, for sure.”

Martinez was cruising along until one out in the fourth, when Matheny came out to check on him. Martinez was quite winded, and a ball boy brought out a cup of water, which he quickly chugged and continued on his way.

“I tried to take deep breaths and stay focused,” Martinez said through a translator. “It didn’t take away my focus in the game.”

Martinez was pulled after the fifth because of an elevated pitch count. The bullpen bottled up the Rockies until pinch-hitter Ryan Raburn hit a solo homer off Kevin Siegrist in the ninth to make it 5-3.

After allowing a single to Charlie Blackmon, Siegrist struck out DJ LeMahieu before walking Carlos Gonzalez. The left-hander got Nolan Arenado to line out to left field for his third save.

Anderson allowed five runs — two earned — in seven solid innings. The rookie is 5-2 with a 3.00 ERA in 12 starts at Coors Field.

“He ended up getting through seven, so it was a good outing,” Rockies manager Walt Weiss said.

Arenado, a Gold Glove third baseman, made a costly throwing error in the fourth. Martinez followed with a two-run double — giving him six RBIs this season — and Matt Carpenter added a run-scoring single.

“We have seen (Arenado) make that play. He makes it look easy and that wasn’t an easy play,” Weiss said. “And then the throw was a little high. It was a tough play.”

LeMahieu finished 2 for 4 to raise his average to .349 and take a slight lead over Washington’s Daniel Murphy in the NL batting race. Murphy is hitting .348.