It wasn't his shooting that kept him on the outskirts of the rotation, as he connected on 43 percent of his 3PA. Rather, it was his defensive issues. Bearing that in mind, the Spurs could seek to upgrade their stretch big position by pursuing Channing Frye, who can opt out of the last year of his deal in Phoenix. An elite shooter, Frye also is an underrated post defender and works well within team defensive schemes, and he was rebounding the ball well until he began to wear down over the second half of the season.