Colvin, who has not played first regularly since high school, has played outfield so far for the Cubs, but they want to see if he can back up Carlos Pena.
In his first game Sunday, Colvin made two errors in right. The Cubs have committed six miscues in two games this spring, but manager Mike Quade wasn't ordering extra drills. Yet.
"Whenever you make mistakes, there's a concern," Quade said. "The first week of the season, I'll look at positives. Whether we win or lose, it is about the process.
2010 Spring Training - null
Sights & Sounds
Spring Training Info
"You hate losing," he said, "but I looked at all the names I had down there that I was pleased with, whether it was at-bats or pitching or defense, in spite of the errors we made, and I left with a smile, and that's the main thing. When you start losing a lot of games because we're sloppy from start to finish or our key guys aren't swinging the bats, I'd be more alarmed."