College football coaches love to see their teams perform against the best, a barometer of value after early season success could be the result of playing at a lower level. Several national teams, including Clemson and Tennessee, and undefeated non-top 25 teams will endure this in Week 4, programs we’ll be sure to learn more about as the first month of the season draws to a close.

Look at North Carolina and coach Mac Brown, for example. The Tar Heels win in Appalachian State in Week 2 looks better and better as the season progresses, but there are notable gaps in this team that need to be fixed ahead of Saturday’s clash with Notre Dame. Brown said this week that while he’s proud of the Tar Heels’ 3-0 start, his players need to learn to “handle momentum better” and step on the gas when it comes to team eliminations.

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If it happens this weekend, the Tar Heels could be the last ACC team to earn a place in the national polls.

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Here are 10 teams on our radar that we’ll learn more about after this weekend’s action: