A gallery of some of the college free agents the Buccaneers signed after the conclusion of the 2015 NFL Draft.
UNDRAFTED FREE AGENTS
1. 2014 was his breakout season.
In his first three years at Iowa, Alston (6-1, 232) recorded 25 tackles and didn't earn a sack. He exploded on the scene in 2014, his senior year, grabbing 94 tackles, including six for losses, and three and a half sacks. He also defended five passes and forced two fumbles.
2. He was one of the best linebackers in the Big 10.
Alston was a second-team All-Big 10 selection by the media at middle linebacker in 2014. He started all 13 of Iowa's games and was a team captain.
3. He's a leader.
In 2014, he was one of five seniors named to Iowa's "Leadership Group". He also won Iowa's defensive "Coach's Appreciation Award".
4. He earned playing time right away.
Alston was of 10 true freshmen to receive playing time at Iowa in 2011. During that season, he played in six games and recorded seven tackles.
5. He was highly recruited out of high school.
As a senior at Timber Creek High School in New Jersey, Alston had more than a dozen scholarship offers from Wisconsin, West Virginia, Stanford, Boston College, Minnesota and Louisville, among others, before deciding on Iowa.