Six-time NBA All-Star Amar'e Stoudemire will join the Big3 League, according to a source.

Stoudemire will serve as a captain of the Tri-State team, alongside Jermaine O'Neal and Nate Robinson, per a source. An official announcement is expected later Wednesday.

Stoudemire, 35, is among 22 former NBA players to commit to the summertime 3-on-3 league as either a player captain or coach for its second season.