By Marc Torrence and Marquavius Burnett

Update: 3:21 p.m.

Five-star defensive tackle A’Shawn Robinson makes it official with his commitment to Alabama over Texas.

A’Shawn Robinson

From: Fort Worth, Texas (Arlington Heights)

6’5″ 304 lbs.

Rating: 5-star

Update: 2:55 p.m.

Four-star running back Alvin Kamara commits to Alabama over Georgia.

Alvin Kamara

From: Norcross, Ga. (Norcross)

5’10” 192 lbs

Rating: 4-star

Update: 12:31 p.m.:

It’s official: Alabama receives a letter of intent from five-star LB Reuben Foster, who committed to the Crimson Tide Monday night.

LB Reuben Foster

From: Auburn, Alabama (Auburn)

6’1″ 240 lbs.

Rating: 5-star

Update 12:15 p.m.:

Alabama’s 22nd signee, Walker Jones, is the younger brother of Harrison and Barrett Jones.

LB Walker Jones

From: Germantown, Tennessee (Evangelical Christian School)

6’3″ 238 lbs.

Rating: 3-star

Update 11:49 a.m.:

Juco DL Jarran Reed announces he will sign with Florida over Alabama and Ole Miss. That means Alabama went 0-for-4 with the prospects The Crimson White put on the front page this morning.

Update 11:07 a.m.:

Dee Liner announces he will sign with Alabama. Liner picked Alabama after a late decommitment from Auburn.

DE Dee Liner

From: Muscle Shoals, Alabama (Muscle Shoals)

6’3″ 281 lbs.

Rating: 4-star

Update 10:22 a.m.:

DB Maurice Smith

From: Sugar Land, Texas (Dulles)

5’11” 174 lbs.

Rating: 4-star

Update 9:45 a.m.:

RB Altee Tenpenny

From: North Little Rock, Ark. (North Little Rock)

6’0″ 212 lbs.

Rating: 4-star

OC Cole Mazza

From: Bakersfield, Calif. (Liberty)

6’1″ 240 lbs.

Rating: 3-star

Five-star safety Antonio Conner chooses Ole Miss over Alabama, Auburn and others.

Update 9:29 a.m.:

ATH Anthony Averett

From: Woodbury, New Jersey (Woodbury)

6’1″, 175 lbs.

Rating: 3-star

Update 9:00 a.m.:

OG Grant Hill

From: Huntsville, Ala. (Huntsville)

6’6″ 300 lbs.

Rating: 4-star

Five-star defensive tackle Montravious Adams chooses Auburn over Alabama.

Five-star safety Vonn Bell chooses Ohio State over Alabama and Tennessee.

Update 8:37 a.m.:

Alabama missed out on what would have been a big upset commitment from Robert Nkemdiche this morning. The defensive end and consensus No. 1 prospect in the country committed to Ole Miss this morning.

5-star offensive lineman Laremy Tunsil also chose the Rebels over the Crimson Tide.

Alabama has, however, received eight letters of intent already this morning:

DL/LB Jonathan Allen

From: Ashburn, Virginia (Stone Bridge)

6’3″ 264 lbs.

Rating: 5-star

WR Robert Foster

From: Monaca, Pennsylvania (Central Valley)

6’3″ 187 lbs.

Rating: 5-star

RB Tyren Jones

From: Marietta, Georgia

5’9″ 215 lbs.

Rating: 4-star

DB Eddie Jackson

From: Fort Lauderdale, Florida (Boyd Anderson)

6’0″ 175 lbs.

Rating: 4-star

DL Tim Williams

From: Baton Rouge, Louisiana (University Lab)

6’3″ 235 lbs.

Rating: 4-star

DL Darius Page

From: Foley, Alabama (Foley)

6’3″ 314 lbs.

Rating: 4-star

CB Jonathan Cook

From: Spanish Fort, Alabama (Spanish Fort)

6’0″ 186 lbs.

Rating: 4-star

ATH Ardarius Stewart

From: Fultondale, Alabama (Fultondale)

6’0″ 190 lbs.

Rating: 4-star

National Signing Day, the first day that high school seniors can officially sign letters of intent to play football at a university, is officially underway and Alabama is already off and running. The Crimson White will be updating this post as the day goes on to keep you up to date with where Alabama stands with its 2013 recruiting class.

Note: Ratings are according to 247Sports

First, let’s take a look at who already enrolled early at Alabama for the spring semester:

QB Cooper Bateman

6’3″ 215 lbs.

From: Murray, Utah (Cottonwood)

Rating: 4-star

OL Leon Brown

6’6″ 300 lbs.

From: Riverdale, Maryland (Parkdale/ASA College)

Rating: 4-star

WR Raheem Falkins

6’4″ 195 lbs.

From: New Orleans, Louisiana (G.W. Carver)

Rating: 4-star

RB Derrick Henry

6’3″ 242 lbs.

From: Yulee, Fla. (Yulee)

Rating: 5-star

OL Brandon Hill

6’7″ 390 lbs.

From: Collierville, Tennessee (St. George’s/Hargrove Military Academy)

Rating: 3-star

TE O.J. Howard

6’6″ 235 lbs.

From: Pratville, Alabama (Autauga Academy)

Rating: 5-star

QB Parker McLeod

6’3″ 190 lbs.

From: Marietta, Georgia (Walton)

Rating: 3-star