Wisconsin nose tackle Beau Allen has had eight visits and three private workouts.
He was a surprise snub for the NFL scouting combine, so NFL teams are doing more homework on him.
Allen has outstanding size for a nose guard at 6-foot-2 1/2 and 330 pounds.
He's regarded as a late-round draft target.
In front of 20 NFL teams at his campus Pro Day workout, Allen bench pressed 225 pounds 30 times and had a 31-inch vertical leap. He didn't finish his 40-yard dash due to a tweaked hamstring.
Allen has lined up at defensive tackle in a 4-3 alignment in the past and shifted inside to nose guard last year when the Badgers went to a 3-4 defense.
He played in the East-West Shrine all-star game in January.
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Aaron Wilson covers the Ravens for The Baltimore Sun
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