ST. PAUL — As it turns out, the guy who was available to be picked up in August may not be the Vikings’ almighty answer. ADVERTISEMENTBut Wentz was a major reason the Vikings dropped back to .500 after four games. There’s more than enough on this roster to win, and win big. But it has to be led by a quarterback who can win under less-than-ideal circumstances. Aaron Rodgers is no longer an elite quarterback in the latter stages of his career.