Rivals.com's recruiting experts will provide live updates throughout National Signing Day. All times are ET.
Lane Kiffin capped off his first National Signing Day as USC's coach by reeling in offensive tackle Seantrel Henderson, the nation's No. 2 prospect and the highest-ranked undecided player going into the big day.
Henderson's signing was seen as a coup for Kiffin, who was hired as Trojans coach Jan. 12, and will likely help USC finish with a top-three recruiting class.
In the last several hours, UCLA received signatures from five-star Owamagbe Odighizuwu and four-stars Anthony Jefferson and Josh Shirley in addition to Riley.
For more on UCLA's signing class, visit BruinBlitz.com.
UCLA continued to add prospects on National Signing Day by landing a signature from four-star linebacker Josh Shirley.
Four-star Rivals100 offensive tackle Chaz Green announced he is signing with Florida.
Parker is the 11th-ranked player in South Carolina.
The top prospect in Oregon -- and the No. 8 recruit in the nation -- is headed to UCLA. Five-star defensive end Owamagbe Odighizuwa will sign with the Bruins. He also considered Nebraska and Oregon State.
For more on UCLA's signing class, visit BruinBlitz.com.
Fullerton Community College offensive tackle John Cullen will sign with Utah.
Four-star safety Demar Dorsey didn't list Michigan among his top teams going into National Signing Day, but he will sign with the Wolverines.
The top-30 prospect in Florida considered Florida, Florida State and USC until the final weeks before signing day.
Read more about Michigan's class at TheWolverine.com.
Four-star safety Ahmad Dixon elected to stay in Waco by signing with Baylor.
As expected, USC is closing strong on Signing Day. The Trojans have climbed to No. 4 in the team recruiting rankings despite having only 16 commitments.
Auburn has climbed to No. 3, passing rival Alabama in the current rankings.
Florida is No. 1, followed by Texas. SEC schools have five of the top eight spots.
Three-star wide receiver Thomas Roberson made a late switch, deciding to remain in Tulsa rather than sign with Oklahoma State.
Roberson committed to Oklahoma State on Tuesday, but had a change of heart and signed with Tulsa, to whom he committed in June.
Two Hialeah (Fla.) recruits will play on opposite sides of the country. Four-star defensive end Corey Lemonier will sign with Auburn rather than Florida State. Another four-star end, Calvin Smith will head West to sign with New Mexico.
Tulsa defensive tackle Calvin Barnett will not play in his home state after all. Barnett is the top prospect in the state, but he will sign with Arkansas instead.
Salt Lake City defensive tackle Ricky Heimuli will sign with Oregon. He also considered UCLA, Utah and Washington. Heimuli is a four-star prospect, and is ranked 88th in the country overall.
GatorBait.net'sMark Wheeler reports four-star wide receiver Adrian Coxson has signed with Florida. Coxson decided between Georgia and the Gators.
Ventura (Calif.) St. Bonaventure offensive tackle Giovanni Di Poalo has signed with USC.
The Trojans currently sit at No. 5 in the Rivals.com team recruiting rankings.
Defensive back Jeremy Ioane from Punahou HS in Honolulu, Hawaii is expected to sign with Boise State according to Rivals.com recruiting analyst Greg Ladky. Many thought Ioane was headed to Notre Dame.
Nashville (Tenn.) Maplewood offensive guard James Stone has signed with Tennessee. The four-star prospect is rated the No. 7 guard in the nation. Stone choose between Alabama and Tennessee.
While some five-star standouts have already announced their college choices today, several more elite players are still left on the board.
No. 2 overall player Seantrel Henderson, No. 8 overall Owa Odighizua and several other top prospects are set to announce in the next few hours.
Four-star outside linebacker Corey Nelson will play for the Sooners.
The Dallas (Texas) Skyline prospect is rated 159th in the class of 2010.
Four-star linebacker V.J. Fehoko will sign with Utah according to UteZone.com.
From Rivals.com analyst Mike Farrell: "OK, hearing that Keenan Allen, Chris McCain and Zach Maynard all announced for Cal a few minutes ago. Gabe King was delayed in D.C. on a plane, so he will announce when he arrives, also to Cal."
Big day for the Bears.
For more Signing Day and other news on Cal, visit BearTerritory.net.
Jeff Curtis, the coach at John Curtis High in Louisiana, just told Rivals.com that his three-star athlete Jonathan McKnight will sign a national letter of intent with Arizona this morning.
McKnight is the younger brother of Joe McKnight, who will enter the NFL Draft after playing three seasons at USC.
Florida State linebacker Christian Jones will sign with Florida State. The five-star from Winter Park, Fla., also considered Florida, USC, Notre Dame, Oklahoma and Michigan.
He is the second-ranked player in the state and No. 20 in the country.
For more signing day news from Florida State, visit Warchant.com.
Maywood (Ill.) Proviso East four-star safety Corey Cooper has signed with Nebraska. He chose the Cornhuskers over Illinois, Arizona and Notre Dame.
Keenan Allen's announcement has been delayed. They are waiting for Gabe King, who is stuck in Washington, D.C., because of a flight delay due to weather.
Four-star wide receiver Ivan McCartney will sign with West Virginia. In McCartney, the Mountaineers landed the No. 5 prospect from Florida.
For more news on West Virginia's class, visit WVSports.com.
Tennessee landed the top prospect in Georgia by receiving a commitment from five-star wide receiver Da'Rick Rogers. Rogers had been committed to Georgia but switched on Signing Day.
For more Tennessee recruiting news, visit VolQuest.com.
Auburn continued its impressive Signing Day haul with an announcement from five-star offensive tackle Shon Coleman.
Coleman, the third-ranked tackle in the country, remained with the Tigers despite late pushes from Alabama, Ole Miss and Miami.
Mississippi State boosted its offensive line class with two surprising Signing Day defections. Three-star Eric Lawson was committed to Texas Tech before making the switch. Two-star Dillon Day switched from Louisiana Tech to the Bulldogs.
For more signing day coverage from Mississippi State, visit BulldogBlitz.com.
Bradenton (Fla.) Manatee four-star quarterback Brion Carnes has signed with Nebraska.
First-year USC coach Lane Kiffin plucked junior college linebacker Glen Stanley from Tennessee on Signing Day when the four-star linebacker switched to the Trojans.
For more on USC's class, visit USCFootball.com.
Four-star DE and longtime Tennessee commitment J.C. Copeland signed with LSU. He will join LaGrange (Ga.) Troup teammate Brandon Worle in Baton Rouge.
Simpson, from Independence (Ky.) Simon Kenton, also considered Illinois and Indiana.
For more on Simpson and Kentucky's class, visit CatsPause.com.
Paramus (N.J.) Paramus Catholic three-star offensive tackle Dan Foose signed with Florida State this morning. Foose had been committed to Illinois.
Five-star wide receiver Markeith Ambles announced he would sign with USC on Wednesday.
He also considered Tennessee and North Carolina late in the recruiting process.
Mike Farrell said Latwan Anderson will not announce today and is expected to take an official to USC before deciding among the Trojans, Ohio State and West Virginia.
Mike Farrell is reporting Markeith Ambles will announce at 8:30 a.m. ET.
The first two LOIs in for Florida this morning are five-star DT Dominique Easley and Rivals100 receiver Chris Dunkley.
USCFootball.com reported late last night that Hayes Pullard will sign with USC today.
Five-star Jordan Hicks is sending in his LOI to Texas right now. Teammates Kevin Schloemer and Alex Smith are doing the same. Schloemer to Cincinnati and Smith to Kentucky.