Free agent quarterback
The suspension is unrelated to his current unresolved assault case in Dallas, stemming from an altercation with his former girlfriend earlier this year. That case remains under investigation by the NFL, league spokesman
Should Manziel sign with a team, he would be subject to additional punishment under the personal conduct policy, pending the outcome of the league's investigation.
Manziel was released by the
In 2015, Manziel spent about 10 weeks in a Pennsylvania rehab facility that specializes in drug and alcohol rehab.
Exploits of his partying habits have been well documented on social media since he entered the league. His father told ESPN last week that his son was a "druggie" and needed more help.
Manziel told TMZ this week he planned to get sober starting July 1 -- after a vacation to
