"We've given a lot of guys second chances. He deserves it as much as anybody I've been around," Jay told us at his GlazerPalooza event at Prestige Imports Miami, where a bunch of SICK exotic cars were on display!
The event benefits Jay's MVP charity which helps military vets and athletes who are dealing with mental health issues.
Jay says Aldon -- who set the 49ers franchise single-season sack record in 2012 (19.5 sacks) -- is currently at a solid 285 lbs and SHREDDED.
"He is a freak if nature."
Jay also touched on Antonio Brown -- but cautioned AB needs to get himself professional help before he can focus on the NFL.