"I've talked to his previous coaches, people I really trust and admire, that know quarterbacks. He doesn't put the time in," Young said.
LOVERRO: Focus in San Francisco will be on RG3's future as Redskins QB →
In a recent interview with ESPN New York, Young said Griffin's former coaches have told him Griffin does not "put the time in" off the field.
Redskins' Robert Griffin III only 'focused on San Francisco' →