By Matt Audilet Projected first-round pick David Ojabo suffered a concerning injury during Friday’s pro day at Michigan. The superstar Wolverine left the event on crutches with a boot on his left foot and a wrap up to the knee, per Michigan insider Dave Birkett. Ojabo suffered the injury while participating in a pass-rush drill. After going down and clutching his left leg with an apparent non-contact injury, the All-Big Ten performer was helped off the field in front of concerned onlookers in Ann Arbor. Through his 2021 season with the Wolverines, Ojabo logged 35 total tackles, 11.0 sacks and …