Puka Nacua is back on the football field. After he checked into a luxury treatment center in Malibu in March following  allegations he bit a woman while drunk on New Year’s Eve , Nacua is currently taking part in the Rams’ voluntary offseason workouts — which began Monday — at their Woodland Hills training facility. While Nacua’s lawyer Levi McCathern said the move was not a direct response to the lawsuit from Nacua’s bite accuser, Madison Atiabi, filed against him late last month, the lawyer