By Greg Pickel Two teams moving in opposite directions meet on Saturday at Ross-Ade Stadium in West Lafayette, Ind. The latest College Football Playoff rankings, released Tuesday night, again confirmed that Penn State controls its own destiny when it comes to making the 12-team field. Purdue, meanwhile, is 1-8 and can not make a bowl game. Head coach James Franklin’s side is a 28.5-point favorite over Ryan Walter’s bunch ahead of a 3:30 p.m. ET kickoff on CBS. “Elite defense, and they’re an elite program, elite team that is competing for a playoff berth,” Walters said. “I’ve got a lot of respe…