Week 4 of the college football season is underway and there have already been some must-see plays.

We'll be updating this story all weekend, so let's start with a look at the best moments so far:

Cody Kessler finds Adoree Jackson, who scampers 80 yards for USC's first TD of the night:

 

Aaron Green snags bobbled pass on fourth down to score and give TCU late lead over Texas Tech:

Will Grier hits Antonio Callaway for a 64-yard touchdown on fourth down to put Florida on top:

Austin Johnson, a 300-pound defensive tackle for Penn State, scoops up a fumble and rumbles for the touchdown:

Ohio State defensive lineman Adolphus Washington scores 20-yard interception touchdown:

Notre Dame true freshman CJ Sanders returns a punt 50 yards for the score:

Tennessee's Josh Dobbs puts on a spin move before breaking off a 60-yard run:

Western Michigan scores 55-yard touchdown to draw within one of No. 1 Ohio State:

Texas defensive tackle, all 314 pounds of him, scores on fumble recovery TD:

Tennessee uses a bit of trickery to even things up against Florida at 7-7:

Penn State gets on the board thanks to this extended play by RB Saquon Barkley:

Chubb scores 49-yard touchdown to surpass the 100-yard mark against Southern

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Georgia Football: Chubb 49-yd TD

LSU's Leonard Fournette goes 62 yards for the touchdown:

 

 

LSU's Tre'Davious White races to the end zone for a punt return touchdown:

Syracuse holder Riley Dixon hurdles an LSU defender en route to a first down on a fake field goal:

Michigan's De'Veon Smith sneaks through and breaks tackles for 60-yard touchdown:

Sacks don't happen to LSU when Leonard Fournette can change it into a 48-yard gain:

Michigan State WR Macgarrett Kings goes for the layout with this 42-yard catch:

Michigan Amara Darboh brings down the one-handed catch for 21-yard gain:

Memphis quarterback Paxton Lynch and receiver Anthony Miller connect on an 82-yard touchdown: