He's stronger - therefore he would win in a fight. It's as simple as that. Words and spiritual nonsense won't protect the pope from getting knocked out cold.
In a spiritual battle, yes!
He'd bring Mr. T to tears with a passionate speech, pat his back, bring him to his feet, give him a word of wisdom... then, when Mr. T was distracted by all the charisma, Francis would give him his Godsent Right Hook.
Pope Francis used to be a club bouncer. So he'd know a few moves.