The loss hurt. The more salient question after the Giants' breathtaking walk-off, inside-the-park home run was whether Rafael Betancourt is hurt. Pitching for the first time since he limped off the mound Tuesday, he wasn't sharp. The right-hander was inactive because of a strained right groin. An MRI revealed no damage, just irritation around the previous tear in 2009. Betancourt is considered a tough guy by teammates, one of the most committed and accountable. But his silence after the loss spoke volumes. For the first time in his Rockies career, he didn't speak to the media. He was fuming, understandable given the bizzare nature of the loss. Angel Pagan's walk-off, inside-the-parker was the first by the Giants in San Francisco. Rockies trainer Keith Dugger said Betancourt's right groin was not an issue, that he was cleared to pitch. That he walked the first batter he faced raises concern. Betancourt has made a living challenging hitters. His command was not sharp. Is that the result of inactivity or injury? The Rockies can go to Rex Brothers if needed. They must watch Betancourt carefully. They are suddenly contenders this season. And losing Betancourt for two weeks now could be a lot easier to digest than an extended absence in August.