Actor Timothée Chalamet strayed from his indie roots and artsy persona to step into the world of college football on Saturday when he appeared on ESPN’s “College GameDay” as a guest football analyst, picking his winners for the highly anticipated conference championship games.

The 28-year-old, who is set to star in the Bob Dylan biopic “A Complete Unknown” opening Christmas Day, predicted Texas would overcome the Georgia Bulldogs in the SEC championship. The game is the biggest of…