The Michigan Wolverines are drawing the early cash for their Saturday showdown in Columbus.
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Most sportsbooks opened the game at Ohio State -7 or 7.5. After receiving Michigan money, nearly every book is down to Ohio State -6.5, with a few dealing Ohio State -6 (-120).
"It?s going to be very interesting to see how this line shapes over the week," said Scott Cooley, odds consultant for BookMaker.eu, which opened at -7 and is now dealing -6.5.
"The initial reaction was that Michigan is getting too many points, but we may not see which side the wiseguys are on, if any side, until the weekend when wagering limits are elevated."
Both teams are 10-1 and eyeing a spot in the College Football Playoff. The Buckeyes are gunning for their fifth straight win in the bitter rivalry.
Meanwhile, top-ranked Alabama opened as an 18-point favorite over visiting Auburn in the Iron Bowl.
"You?ve got to wonder how many of these massive SEC spreads the Crimson Tide can cover in one season," Cooley said. "It's been the most impressive squad we've seen in the last decade, and is more than deserving to be three-score chalk. We're going high, again trying to attract dog money against 'Bama."
In another massive rivarly game, Florida State opened as a 7-point home favorite over SEC East champion Florida and quickly moved to -6.5.
"The Florida quarterback situation is a bit muddy, but the pedestrian offense doesn't really depend on one particular player," Cooley said.
"The Gators are coming off an emotional win while the 'Noles have quietly been playing quality football. I am confident this number will close south of where it opened."