Johnny Manziel in attendance for first day of Browns’ work

After spending most of the offseason in alcohol rehab, Johnny Manziel is ready to work. Manziel is in attendance today for the first day of the Browns’ offseason conditioning program, Tony Grossi of ESPNCleveland.com reports. That’s where Manziel was expected to be after he exited rehab and released a statement last week saying he’s committed…