johnny manziel has been released from rehab after entering a facility on january 28 .
this after manziel 's partying had been a topic of conversation since his rookie season began last july , with some worried his drinking was a priority .
the heisman trophy winner had a lackluster rookie year where he saw little playing time and just two starts .
he is now set to begin offseason workouts with the cleveland browns on april 20 .
manziel will be forced to compete with josh mccown for the starting quarterback position , who just signed a $ 14 million contract with the team .