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09/29/12 9:39 PM ET

Colvin sits against Dodgers with sore elbow

LOS ANGELES -- The already depleted Rockies scratched outfielder Tyler Colvin from the lineup for Saturday night's game against the Dodgers because of a sore left elbow.

"He's not sure, we're not sure, exactly how it happened, but he got treatment this afternoon and he tried to swing and was not able to swing," Rockies manager Jim Tracy said. "Throwing is also an issue, that goes without saying."

Matt McBride was inserted in right field for Colvin, who is hitting .290 with 18 homers and 71 RBIs in 132 games.

With outfielder Carlos Gonzalez slowed by a sore hamstring, outfielder Dexter Fowler limited because of a wrist issue and first baseman Jason Giambi battling leg pain, the Rockies went into Saturday's game with one healthy reserve, infielder Jonathan Herrera. The issue severely limits Tracy's strategic options.

In Friday night's 8-0 loss, left-handed hitting outfielder Charlie Blackmon had to take a pinch-hit at-bat against dominating Dodgers lefty pitcher Clayton Kershaw, and relief pitcher Guillermo Moscoso had to bat in the seventh inning when it was still plausible that the Rockies could work their way back into the game.

Rosario young and restless behind plate

LOS ANGELES -- Rockies catcher Wilin Rosario insists he isn't tired, but he has earned a vacation. Saturday's game against the Dodgers was his 114th of the season.

More important, it was his 102nd game behind the plate. He is the fifth catcher since 1992 and the first since Russell Martin with the Dodgers in 2006 to catch in triple figures before his 24th birthday, which isn't until Feb. 23.

Rosario's .541 slugging percentage is second-highest for a catcher in Major League history, behind Mike Piazza's .561 in 1993. He has struggled defensively, with 20 passed balls, and this winter he will have drill work at the Rockies' training complex in the Dominican Republic and some action in the Dominican Winter League. But he has planned some down time, as well.

"I'm going to rest a couple of weeks, then going to [teammate] Carlos Gonzalez's wedding, then I'm going to rest for the rest of the month and start back in November," Rosario said. "I'll go to the academy for a week, because they have everything there that I need. It'll be pretty good. Then I'll go to winter ball.

"I'm not tired. Just a little sick because the weather has changed a lot. But I feel good."

Thomas Harding is a reporter for MLB.com. Read his blog, Hardball in the Rockies, and follow him on Twitter @harding_at_mlb. This story was not subject to the approval of Major League Baseball or its clubs.