Four years after originally committing to Illinois, A.D. Miller is finally on his way to Champaign.

Miller, who originally committed to Tim Beckman in 2014 but ultimately signed with Oklahoma, will transfer to Illinois, the team announced on Monday. The 6-foot-3 grad-transfer receiver will enroll for the spring semester and will be immediately eligible for Illinois during the 2019 season.

"A.D. Miller is a player who had committed to Illinois at one point in time before eventually signing elsewhere," Illini head coach Lovie Smith said in a statement. "As his situation changed, A.D. saw an opportunity that was better for him heading into his senior season. This move, like many graduate transfers, is a chance to hit the restart button at a place he is already familiar with and a spot where he can contribute immediately. As I've gotten to talk to and know A.D., I have no doubt he will be a positive addition as a player and as a leader for our team."

Miller is the third transfer addition to the Illinois offense since Dec. 21, joining Miami wide receiver Jeff Thomas and Georgia tight end Luke Ford. He adds much-needed immediate help at wide receiver, where Illinois suffered dreadful drops most of the season.

In three seasons at Oklahoma, Miller played sparingly, hauling in 21 receptions for 246 yards and four touchdowns. Miller was a 3-star prospect out of Dallas (Texas) Bishop Dunne High School, the same high school that produced Illini freshmen Calvin Avery and Kievan Myers. Illinois commit Marquez Beason, a 4-star prospect, also played at Bishop Dunne before transferring to Duncanville for his senior season. Illinois wide receivers coach Andrew Hayes-Stoker has recruited Bishop Dunne since arriving at Illinois.

The previous Illinois staff, led by assistant Mike Bellamy, recruited Miller as a prep prospect. Miller had offers from more than 30 programs, including Michigan, Michigan State, Notre Dame, Nebraska, Ohio State, Oregon, Washington and many others.

Miller immediately will be one of the most talented receivers at Illinois in a position group that struggled mightily during the 2018 season.

Ricky Smalling led the group with 33 receptions for 406 yards but experienced somewhat of a sophomore slump. Junior Trenard Davis (30 receptions, 278 yards) stepped into the slot void but wasn’t a big-play threat. The team’s third-leading receiver Sam Mays (29 receptions, 311 yards) will graduate. Miller likely will replace Mays as the team’s long receiver.

During the spring, Miller seemed to take a step forward after he redshirted his third season with a hamstring injury.

"It was real tough," Miller told OU Daily, the Oklahoma student newspaper. "When I realized I was going to be redshirted, it was a hard day for me knowing I wasn't going to be able to play the whole season. …It helped me a lot," Miller said. "I got an extra to go against the defense, develop a little more, get a little faster, work my technique a lot ... so it worked well for me."

Oklahoma wide receivers coach Dennis Simmons told OU Daily: "He handled that about as good as anybody that I've been around. Anytime somebody is out here consistently working hard, it's a direct reflection, and direct positive for each guy on the team."

Oklahoma head coach Lincoln Riley told OU Daily during the spring: "I like how explosive he's played. He's matured, (he's) hungry. I think a year away from it — I see a lot of positives from him right now."