Jorge De La Rosa looked at his thumb and shook his head. It hurts. It has since June 17 when he violently spun a curveball in Toronto then had the bat ricochet off it while bunting. The pain has traveled with him through two countries eight states and 16 games.

"It's bad. But I can work through it" said De La Rosa who wore a BMX-type motorcycle glove while hitting for a few games. "The only thing that's going to help it is the offseason. It won't help to skip a start."

And teeth-gnashing aside why would he want to? De La Rosa can't put a finger on his success but he's enjoying a career renaissance in a career season. He tied a personal best with his 16th victory as the Rockies avoided becoming debris under the Los Angeles Dodgers' broom winning 7-5 on Wednesday night at Coors Field.

While wins are subjective there's only one conclusion that can be drawn about De La Rosa's performance: terrific. In spring training he was afraid to throw his slider in his first few outings still affected by elbow surgery. He had missed the better of two seasons and was so bad last September the Rockies weren't sure they could count on him anymore.

All he has done is deliver in a way not seen since Ubaldo Jimenez's 2010 all-star campaign. The left-handed De La Rosa showing again why owner Dick Monfort said the club will pick up his $11 million club option and consider a contract extension permitted three runs or fewer for the 24th time this season.

He improved to 10-1 with a 2.75 ERA at Coors Field this season. He actually likes pitching in Denver a juxtaposition from last year's Jeremy Guthrie who was last seen tipping his cap to the home crowd after allowing home runs.

The thumb injury in an odd way has helped De La Rosa. He is prone to fits of anger driven by his competitiveness and yet he hasn't lost his cool in months. With the bases loaded in the sixth he induced a first-pitch check-swing double play groundball from Scott Van Slyke defusing a rally.

De La Rosa (16-6) would not have won without help from an offense that was fighting to get to the bat rack to face Edinson Volquez and a strong bullpen.