During a recent presser he gave some insight while not saying what he plans on doing. Sounds like he's leaning towards going though.
http://www.fatmanwriting.com/2013/12/sounds-like-johnny-manziel-is-probably.html#.UqkoaPRDuSo
http://www.fatmanwriting.com/2013/12/sounds-like-johnny-manziel-is-probably.html#.UqkoaPRDuSo