The announcement of Levi Onwuzurike’s season-ending ACL surgery raised questions about the timeline and what the Detroit Lions knew before re-signing the defensive lineman. Onwuzurike signed a one-year, $4 million deal to stick around during free agency. Back injuries have plagued his career to this point, but it was a knee injury that took another year from his career. Dan Campbell shed some light on the timeline and what they Lions knew when asked about the situation on Monday morning.