This season longtime local sports radio voice, M sideline reporter, & mgo-misc. host Doug Karsch will co-anchor the Michigan radio network Tailgate Show with former U-M All-American Jon Jansen. Karsch will also continue his sideline reporting duties as part of the play-by-play broadcast. I’m pulling together a piece on the new show and recently chatted with Karsch. Listeners of the radio broadcast know that Beckmann & Brandy referred to Karsch as “Krash”. I never knew why, admittedly never asked, but either way, I never really cared for it. I’m not sure why – I figured it obviously had something to do with Doug’s last name and I guess I assumed Frank or Brandy just thought it was funny to call him Krash. Meh. Anyway, when I chatted with Doug recently I asked him about the nickname and if ‘Krash’ was going to endure in Frank’s absence. Here’s what Doug told me: “I’ll tell you how it started and what’s funny is that I’ve been broadcasting since 1993 and I get asked more about that than anything else. It was my first year doing sideline, it was 2006 and Michigan had a game at Minnesota. The whole team arrives [at the hotel] and I was the last to check in. I was a rookie and I’m just waiting. The team checked…