Johnny Manziel: Awful debut was “very humbling”

Going through yesterday’s disastrous debut was bad enough. Coming in this morning and watching the film was hard for Browns quarterback Johnny Manziel to swallow. There wasn’t much Manziel could add after taking a 30-0 beating and throwing for two picks and leading an offense to 80 passing yards against the Bengals. “Absolutely. Very humbling,” Manziel…