John Axford, Tommy Kahnle, and Eddie Butler all know about the perils of walking people at Coors Field.
Walks are undesirable outcomes. As much as the opinions of the fantastic readers here vary, I don't think anybody would argue that walks -- in general -- are a good thing. There is, however, some question about just how bad walks are, particularly for Rockies pitchers. It could be that walks aren't as punishing at Coors Field as they are elsewhere, which means the Rockies should emphasize strikeouts instead. It's also possible that walks are more punishing at Coors Field and thus should receive extra emphasis.