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Another wild, wild week of college football concluded Saturday with five of the top 12 and six of the top 15 teams in the nation losing, including No. 3 Oregon, No. 8 Arkansas, No. 9 Notre Dame, No. 10 Florida, No. 12 Ole Miss and No. 15 Texas A&M. Needless to say, the race for the national title has thinned.

Meanwhile, No. 1 Alabama and No. 2 Georgia made massive statements and separated themselves from the rest of the pack.

There are some longshot contenders that drastically changed their title hopes. Texas A&M's hopes are dashed, Clemson didn't gain any style points, and the likelihood of Florida digging out of its two-loss hole is pretty much non-existent. Oregon fell as the final Pac-12 unbeaten, and it may have taken the conference's College Football Playoff chances with it. 

Let's have some fun and hand out grades for the first weekend of October. 

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In order to determine which teams to grade each week, we consult the national title odds provided by Caesars Sportsbook prior to kickoff on Saturday. Each gets issued a report card for their effort in Week 5. For some, it may be their last as their odds will surely plummet after key losses.

College football grades: Week 5 report card