EUGENE, OR -SEPTEMBER 06: A general view of Autzen Stadium during the second quarter of the game between the Oregon Ducks and the Michigan State Spartans at Autzen Stadium on September 6, 2014 in Eugene, Oregon. (Photo by Steve Dykes/Getty Images)Oregon suffered a heartbreaking loss to Auburn in week one. But that doesn’t mean the Ducks have nothing to play for now. Oregon is vying for a Pac-12 championship. But Cal hopes to ruin those plans on Saturday in Eugene.Two weeks ago, this game was setting up to be one of the best of the weekend. But then Cal quarterback Chase Garbers went down with an injury against Arizona State. The Golden Bears proceeded to lose their first game of the season.Now, Cal turns the reigns over to QB Devin Modster. The Golden Bears will have to rely on their defense, force turnovers and hold on to the ball themselves if they hope to pull off an upset.Oregon is 3-1 entering this game with wins over Stanford, Montana and Nevada. This will be the Ducks’ toughest test since the season opener versus Auburn. Here’s all the details for Saturday’s contest:Game Time: 8 p.m. ETChannel: FOXSpread: Oregon -18Over/Under: 46Announcers: Brandon Gaudin, Brock HuardThe Ducks are 18-point favorites in this one. The total of 46 is much lower than past Oregon-Cal games have played out. Just years ago, the two schools fielded high-powered offensive attacks. But now, both teams rely on their defenses.Saturday’s game is expected to be low-scoring. Oregon-Cal kicks off at 8 p.m. ET on FOX with Brandon Gaudin and Brock Huard calling the game.