Michigan State landed its 15th commitment for the 2015 recruiting class and it could be one of the biggest.

Raequan Williams, a four-star defensive tackle from Chicago, committed Friday night to Michigan State. The 6-foot-5, 280-pound Williams, a senior at DePaul Prep, announced his commitment before his school's boys basketball game.

"I liked the players and coaches at Michigan State," Williams told "I like that they are so big and physical and one day, that's what I want to be. I want to be really big and physical and hopefully do well at the next level."

Williams was a first team all-state selection this season after recording 74 tackles, eight sacks, nine pass breakups and three forced fumbles. ranks Williams No. 197 overall in the nation and the 16th best defensive tackle while ranks him No. 218 in the nation and 19th at defensive tackle. says Williams is the No. 2 overall recruit in Illinois and checks in at No. 147 nationally and 12th at his position.

Williams had offers from Oregon, Penn State and Missouri before narrowing it to Michigan State and Iowa.