Week 4 of the college football season is the unofficial kickoff of conference play, which means one thing: It's about to get real. 

There have been some conference games played already this season, sure, but the upcoming gameweek features four matchups of Top 25 in-conferences foes and many more that should have teams on upset alert. 

Here's a complete look at the Top 25 and Week 4's slate, with the Odds Shark-reported spreads and a look at some key matchups that will shape the narratives of Saturday's action. 

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