I'd say a good deal of it was bad luck. Using my run estimator of choice (XR) the Cubs should have scored 767 runs last year, a full 64 runs more than what they ended up scoring. Had their actual total been more in line with their expected total, they likely would have won 85-86 games; not quite playoff-worthy, but still not a bad team. What was the reason for the discrepancy? Some of it might have been due to the unusual "shape" of their offensive output; lots of batting average and pretty good SLG, but a thoroughly unimpressive OBP. A lot of it probably has to do with the Cubs' inability to get timely hitting last year. I don't have the numbers right now, but I believe the Cubs rated among the worst in the league in hitting with RISP and less than two outs. The good news is that situational hitting stats show almost no year-to-year consistency so the 2006 Cubs will almost certainly be better in this regard. In short, if Hendry had kept the exact same 2005 team for 2006 and it each player's performance held steady, I'd guess that we'd score 750-760 runs next year. Does this mean Hendry should be content with minimal offensive improvement this offseason? Nope. While those 50-60 free runs are nice, regression to the mean will probably eat up a good portion of them. If Lee falls just halfway back to his career averages in 2006, that's loss of about 25 runs. If he falls completely back to his pre-2005 rates we're 50 runs in the hole. A similar disclaimer can be made about Neifi if he gets any appreciable playing time. Meanwhile, the improvements made to the offense have been minimal. Jones is unlikely to be provide anything more than what Burnitz gave us last year. I have high hopes that Murton and Cedeno will have fine MLB careers, but it's unfair to expect them to provide the huge offensive boost the team is looking for. About the only significant improvement made to the offense this season was the acquisition of Pierre. (And that's mostly just because CF was unbelievably atrocious last season, not because Pierre is a huge threat on offense.) Yes, the Cubs were unlucky last season, and we probably will get several dozen "free" runs just because that luck is likely to change. Unfortunately regression also looks to eat away some of those gains while few actual improvements have been made to the offense. If the Cubs are to contend next season, it will all hinge on our pitching. If Wood and/or Miller can come back fully healthy then the Cubs should be poised to make a decent run at the playoffs. If our staff continues to have a few health problems, however, we're looking at another season of .500-ish baseball. is that 85 wins based on a revised pythagenport or just based off of 79 wins plus however many runs?