It's all about the preparation for No. 2 Ohio State, no matter how much hype Saturday's game at third-ranked Oregon is generating. “All of a sudden you don’t just change because it’s a quote-unquote big game,” Buckeyes coach Ryan Day said. “They’re all big, but you want to make sure that you’re also tailoring it to the guys that you have. If we say it’s about us all the time, then it’s about us in the games like this. So we’re going to continue with the same routine." But certainly it is a big game, with possible implications in the chase for a Big Ten title and spots in the expanded College Football Playoff. Never before have two teams ranked within the top five met at Eugene's Autzen Stadium. The game took on even more meaning after last week's upsets in the Top 25 — when four teams in the top 11 lost to unranked opponents — most notably No. 1 Alabama losing to Vanderbilt. Oregon (5-0, 2-0 Big Ten) was helped a bit by the chaos, moving up three spots in the rankings after soundly beating Michigan State 31-10. Ohio State (5-0, 2-0) likewise routed Iowa 35-7. The Buckeyes and the Ducks are among just nine unbeaten Power Four teams. The Ducks have never defeated a team ranked as high as the Buckeyes at Autzen, although coach Dan Lanning said he didn't have the breadth of knowledge to call it THE biggest home game ever for the Ducks. “I certainly can’t speak to the entire history of Oregon. I think this is a really big game. I think this is a great opportunity for two great teams to get to play against each other. I think that’s why you come to a place like this," Lanning said. There's added incentive for the Ducks as they aim to make a splash in their debut season in the Big Ten. “I've realized through my five-, now six-year plan is you've got to take it one week at a time and just the next step,” Oregon quarterback Dillon Gabriel said. “Of course the atmosphere, the college football in general, this is what you dream of. But you've got a job to do. You've got to execute, you've got to play hard and you've got to find a way to win.”