The Sooners added major depth to a unit that has struggled at times this season. On Thursday, Oklahoma picked up a commitment from former Notre Dame defensive lineman Jacob Lacey. Lacey, a 6-foot-2, 285-pound defensive tackle from Bowling Green, KY, was a four star when he graduated high school in 2019. According to 247 Sports, he was nationally ranked the No. 15 DT. He chose the Fighting Irish over Cincinnati, Clemson, and hometown favorite Kentucky. Over the course of the last four seasons in South Bend, Lacey tallied 35 total tackles, 6.5 tackles for loss and 2.5 sacks. According to…