How do you unlock smackdown vs raw 2008 to unlock terry funk?

In Rey Mysterio Road To WrestleMania Do The Foll Tasks

Week 3 (Submission Match): Jericho

Week 4 (6 Man Tag): Los Conquistadors

Week 6 (Singles Match): R Truth

Week 9 (Singles Match): Bourne vs. Orton

(talk to Orton in top locker room at Smackdown to set this up)

Week 10 (Cage): Hurricane

(talk to him in the lower locker room to set this up before teaming up with RVD)

WrestleMania (Extreme Rules): Terry Funk (find him in the Green Room)