Way late to this party but... For a batter, "strikeouts don't matter" in an average situation, compared to a ball-in-play out. With a runner at 3B and one out, the difference between a strikeout and ball-in-play out is significant. I wouldn't dare say a strikeout doesn't matter there. With a runner at 1B and 0 or 1 outs, a K is actually better on average. Compare the negative outs for each base/out situation: http://www.tangotiger.net/lwtsrobo.html What's the net result? It takes around 100 strikeouts in an average base/out situation to cost a team one run. if that sounds completely wrong to you, it's because you are valuaing the negative value of a strikeout more with respect to its lack of entertainment than anything else. Now, if you are comparing a strikeout to a ball-in-play, strikeouts are very costly to a batter and very valuable to a pitcher. You are basically comparing about a 30% chance of a hit to a 0% chance. And since a pitcher and batter's strikeout rate stabilizes much quicker than their BABIP, it's a great tool for trying to analyze a player's performance over a short period of time. There are stats that are more descriptive and stats that are more predictive. When you are talking about only 125 IP, K/9 and BB/9 do the best and predicting future performance. That said, there's nothing wrong with noting Bush's more descriptive stats. It's always interesting to see how a pitcher has found success. Just be careful assuming that that all types of success should be expected to continue equally.