Here are some remaining draft prospects who could be on the Ravens' radar:
Ajayi is a 6-foot, 221-pound All-American selection who rushed for 1,823 yards and 28 touchdowns last season as he had 2,358 all-purpose yards. He was named All-Mountain West Conference and led the NCAA with 397 touches, including 347 carries last season.
In 2013, Ajayi rushed for 1,425 yards and 18 touchdowns and was named all-conference.
Born in England, Ajayi played soccer growing up. He took up football when his family moved to Texas.
Ajayi dealt with some fumbling and maturity issues when he arrived at Boise State, but overcame that and a torn anterior cruciate ligament and has thrived in the past few seasons. In high school, he rushed for more than 2,000 yards and 35 touchdowns as a senior.
The Ravens attended a Pro Day workout Monday for University of Minnesota running back David Cobb.
Cobb injured his quadriceps while running a 4.81 in the 40-yard dash at the NFL scouting combine and wasn't able to do a full workout.
The All-Big Ten Conference second-team selection ran the 40-yard dash in 4.58 to 4.65 second with running backs coach Thomas Hammock and a scout in attendance.
More than 20 NFL teams attended the workout, during which Cobb performed positional drills. Minnesota Vikings running backs coach Kirby Wilson attended the campus workout.
The Ravens have displayed steady interest in Cobb, including meeting with him at the combine and the Senior Bowl.
At the combine, Cobb bench pressed 225 pounds 17 times and had a 38.5-inch vertical leap.
Cobb is a powerful downhill runner at 5 feet 11, 229 pounds. He displayed good vision last season as he rushed for a school-record 1,626 yards and 13 touchdowns. Cobb rushed for 1,202 yards and seven touchdowns as a junior.
At the Senior Bowl, Cobb rushed for 69 yards on 11 carries and caught the ball well all week. He rushed for 145 yards and three touchdowns during a loss to eventual national champion Ohio State last season.
The top available offensive linemen are LSU offensive tackle La'el Collins, who remains in the draft and embroiled in a legal issue as Louisiana police want to question him in a murder investigation of a former girlfriend. Although police have said Collins isn't a suspect, his draft stock has plummeted. Collins could be worth a late draft pick in the even that he's cleared. Collins is a first-round talent who visited the Ravens.
Pitt offensive tackle T.J. Clemmings is another top blocker who has major upside.
Florida center-guard Max Garcia had a private workout with the Ravens, according to a league source.
Garcia, one of the top center prospects in the draft, was a second-team All-Southeastern Conference selection and a team captain. He also excelled at the Senior Bowl.
The Maryland transfer, a former starting left tackle for the Terps and Gators, bench pressed 225 pounds 30 times at his campus pro day workout Tuesday.
The 6-foot-4, 309-pound Garcia didn't work out at the NFL scouting combine due to a shoulder injury.
Garcia was a fifth-year senior from Norcross, Ga., who started every game the past two seasons. He was on the Rimington Trophy watch list this past fall.
For his career, he started 37 career games -- 17 at left tackle, 13 at center and seven at left guard. He started a dozen games at left tackle for Maryland as a sophomore and sat out the 2012 season due to transfer rules.
Garcia was a three-star recruit out of high school who chose Maryland over Clemson and Vanderbilt.
Tennessee State offensive guard Robert Myers visited the Ravens and worked out privately for Ravens offensive line coach Juan Castillo following his campus Pro Day workout, according to sources.
Myers also met formally with the Ravens during the NFL scouting combine and talked with them during the Senior Bowl all-star game.
Myers is a 6-foot-5, 329-pound second-team All-Ohio Valley Conference selection who played in the Senior Bowl, but hurt his ankle that week. He was still able to participate in the scouting combine and was projected as a middle-round draft pick by analysts.
He ran the 40-yard dash in 5.44 seconds at the scouting combine, but had a 1.82 10-yard split. He also had a 27.5-inch vertical leap. Myers was a three-year starter at Tennessee State and a two-time all-conference selection.
Towson defensive end-outside linebacker Ryan Delaire is an intriguing pass rusher who attended the Ravens' local prospect day.
Ravens coach John Harbaugh attended Delaire's campus Pro Day workout where he ran the 40-yard dash in 4.7 to 4.8 seconds with a 33 1/2 inch vertical leap at Johnny Unitas Stadium with Ravens coach John Harbaugh in attendance.
Delaire has also drawn interest from the Atlanta Falcons, Philadelphia Eagles, Houston Texans, Dallas Cowboys and New Orleans Saints. Delaire has been projected as a middle- to later-round draft prospect.
"To my way of thinking, Delaire is very much a draftable guy," an AFC scout said. "Delaire is a natural pass rusher and you don't like to pass them up because of how important it is to have players like him that can get to the quarterback on a consistent basis. I don't know where he'll be picked, but he'll be on our draft board."
Delaire is going to the medical recheck in Indianapolis after undergoing arthroscopic knee surgery in December and pulling his groin while running the 40-yard dash in 4.97 seconds during the NFL scouting combine. Delaire is healthy now.
The 6-foot-4, 257-pound defensive end might project to outside linebacker in 3-4 defensive schemes in the NFL.
Growing up in Connecticut, Delaire played basketball until his senior year of high school before earning a scholarship to Massachusetts-Amherst. After transferring to Towson, Delaire emerged as a third-team All-American and finished with 22.5 career sacks.
Delaire had 11 sacks, 14.5 tackles for losses and forced three fumbles last season before having to decline invitations to all-star games because of his knee surgery.
“Ryan brings something a little bit different because normally with someone that long, you don’t associate speed and quickness, but he has it,” Towson coach Rob Ambrose told The Baltimore Sun last month. “His former days as a basketball player have served him quite well. There aren’t that many guys that big and and tall that are physical and quick. He has the ability to get low and bend.
“You usually only see that from a guy like Elvis Dumervil, who’s, sorry, 5-11 in cleats and Ryan is 6-4, flat-footed. He’s been a complete sponge as a player. He can’t learn enough. The fact that he still has room to grow at the next level is exciting.”
Other pass rushers available include Alani Fua (BYU), Trey Flowers (Arkansas), Za'Darius Smith (Kentucky), who met with the Ravens at the combine, and Lynden Trail (Norfolk State), who talked with the Ravens at the Senior Bowl.
There aren't many cornerbacks still available, but there are a few draftable ones. Among them: Josh Shaw (USC), who met with the Ravens at the Senior Bowl, Doran Grant (Ohio State), Charles Gaines (Louisville), Ifo Ekpre-Olumu (Oregon), Bobby McCain (Memphis), Ja'Corey Shepherd (Kansas), Quandre Diggs (Texas), and Darryl Roberts (Marshall).