MEMPHIS, Tenn. — Johnny Manziel has been signed by the Alliance of American Football and will join the Memphis Express.

The quarterback's rights belonged to San Antonio of the spring league, but that team declined to sign him and Manziel then was free to join any of the other seven clubs.

The 2012 Heisman Trophy winner at Texas A&M had his contract with the CFL terminated this offseason. The Canadian league said he violated his agreement with it, but has offered no specifics.

Manziel was a first-round draft pick by Cleveland, but quickly fizzled out there. He was 2-6 as a starter with the Montreal Alouettes last season, completing 106 of 165 passes (64.2 percent) for 1,290 yards with five TDs and seven interceptions. He also ran for 215 yards on 29 carries as Montreal (5-13) missed the CFL playoffs.