Here we go. Marvin Harrison Jr. caused a stir at Arizona’s practice, pointing to his ankle before stretching his back on the sideline. Coming off a frustrating season plagued by a disappointing 16.4-percent Target Share (No. 83), Harrison Jr.’s NFL prestige continues to fade.

Tuesday’s practice participation will determine whether this physical setback threatens his training camp availability. Meanwhile, Arizona is working with Michael Wilson on a contract extension. The clock is ticking for Harrison Jr. to prove he is physically and mentally capable of becoming a productive NFL player.