Johnny Manziel LOVES the fact The Rock just bought the XFL -- but don't expect to see the QB sign a contract anytime soon.
"I'm retired, dude," Manziel told TMZ Sports outside of Saddle Ranch in L.A. on Friday.
Manziel's only 27-year-old -- and brought solid TV ratings to the CFL during his 2018/2019 comeback ... begging the question, would The Rock's XFL make a run at Johnny to try and boost interest?
"Listen, anything The Rock touches is gonna be gold as always," Manziel says ... "But I think football is a little bit behind me.