By Madison Williams The Nets guard’s return timeline is still uncertain. View the original article to see embedded media. Ben Simmons has been dealing with mental health issues and back problems throughout the 2021-22 season and still hasn’t made an appearance this year. In order to inch closer to his Nets start, Simmons received an epidural while the team was in Orlando, ESPN’s Adrian Wojnarowski first reported on Wednesday. Simmons’s problem with his back involves his L-4 disc of the lower spine. While the Nets guard is still recovering from the procedure, his return timeline is still to be …