Expect an expectations problem...

The Nationals lost 8-7 to the Reds last night, blowing leads of 6-0, 6-2, and 7-5. There is a lot of criticism to be levied for that, and much of it has rightly been aimed at Jon Rauch. Rauch gave up the ghost in the eighth when Javier Valentin, a .239 hitter with 40 career home runs, hit a three-run home run. Today's Post article notes that many, including Rauch himself, are taking Rauch to task for his poor performance.We're certaintly not going to defend Rauch's gopheritis last night, but we do think that expectations may be a bit out of kilter. He had arguably his best year last year, posting an ERA of 3.35 in 91 innings and 85 appearances. His appearances last year should raise a red flag, though. Prior to last year, the most innings he had pitched in a single year was 30, and that was in 2005. That means that over the last two years he pitched in 100 games and logged 121 innings. That compares very unfavorably to his workload over the three years before that: in those three years, Rauch appeared in only 19 games and threw only 61 2/3 innings.Will Rauch duplicate his 2006 success in 2007? Maybe, but he's on pace to appear in 85 games again this year. That's a lot of work for a reliever over the last few years, and it's possible that Rauch is running out of gas.But more to the point, a lot is being expected of Rauch. He's throwing so many innings because the Nationals are depending on him to an extraordinary extent. He has become their primary set-up man.Is our faith in him deserved? Rauch is a useful pitcher and should definitely be on the roster, but he's not a primary set-up guy for a contending team. His career ERA is almost 4.00, and heisn't the kind of dominating pitcher you'd like to see in the primary set-up role. He averaged almost 9 strikeouts per nine innings last year, which is a phenomenal rate, but his career rate is closer to 6, which is where he is so far this season. Don't get us wrong--we like Rauch. But if the Nationals were a well-run baseball organization, they'd have a guy like Jonathan Broxton, primary set-up man for the Dodgers. Broxton's numbers are out of this world. He has an ERA of 1.13, has allowed about one baserunner per inning, and is averaging about one strikeout per inning. And, get this, he's earning only $390,000 this year.There a lot of good pitchers out there, and hopefully the Nationals are cultivating talent that one day will populate their bullpen. Until then, we'll continue to ask too much of guys like Jon Rauch.