Oregon's Marcus Mariota and Florida State's Jameis Winston are among five players to keep an eye on at the NFL Scouting Combine in Indianapolis.

Stanford's Andrus Peat (70) and Cameron Fleming (73) celebrate a touchdown run against Arizona State by teammate Tyler Gaffney, second from right, during the first half of the NCAA Pac-12 Championship football game Saturday, Dec. 7, 2013, in Tempe, Ariz. (AP Photo/Ross D. Franklin)

Boise State running back Jay Ajayi dives for the touchdown as Arizona cornerback Jarvis McCall Jr. defends during the first half of the Fiesta Bowl NCAA college football game, Wednesday, Dec. 31, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri) Date : December 31, 2014 05:24:3

Missouri wide receiver Dorial Green-Beckham (15) prepares to run into the end zone against Auburn defensive back Jermaine Whitehead (9) during the first half of the Southeastern Conference NCAA football championship game, Saturday, Dec. 7, 2013, in Atlanta. (AP Photo/John Bazemore)

Florida State quarterback Jameis Winston throws a pass during NCAA college football practice in Carson, Calif., Sunday, Dec. 28, 2014. Florida State is scheduled to play Oregon in the Rose Bowl NCAA college football playoff semifinal on New Year's Day. (AP Photo/Kelvin Kuo)

Oregon quarterback Marcus Mariota (8) throws against Ohio State cornerback Doran Grant (12) during the second half of the NCAA college football playoff championship game Monday, Jan. 12, 2015, in Arlington, Texas. (AP Photo/David J. Phillip)
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PHOTOS
The NFL Combine is almost here. On Tuesday, players began reporting to Indianapolis and by Friday, college football's elite will be on the field working out for NFL coaches and scouts.
For many, it marks the realization that their NFL dreams are about to come true.
Houston Texans defensive end was highly regarded heading into the combine. "Watt is an ideal fit as a strong side 4-3 defensive end but some may like him more as a 3-4 end," the NFL said in it's scouting report of Watt. (He is) a hard-working, intelligent, relentless player."
The scouts were right. Watt was the top-performing defensive end in the bench press, vertical jump, broad jump, cone drill and 20-yard shuttle.
The NFL Network pulled together some clips of today's top players' combine performances, including Odell Beckham, Richard Sherman, DeMarco Murray and Watt.
How did they all do? Watch below:Watch Wisconsin DL J.J. Watt perform at the 2011 NFL Scouting Combine.
Watch Stanford DB Richard Sherman work out at the 2011 NFL Scouting Combine.
Watch LSU WR Odell Beckham Jr. work out at the 2014 NFL Scouting Combine.
Top QB prospect Robert Griffin III shows off his speed with unofficial times of 4.41 and 4.38 seconds in the 40-yard dash.
Watch Miami TE Jimmy Graham compete in the 2010 NFL Scouting Combine in Indianapolis.
Watch Wisconsin QB Russell Wilson work out at the 2012 NFL Scouting Combine.
Watch Oklahoma RB Demarco Murray perform at the 2011 NFL Scouting Combine.