sentences:  Prior to his NBA career, Greer played professionally in the Italian League, the Russian Super League, the Polish League, and the Greek League, and also with the then-named NBA D-League's Greenville Groove.In July 2006, he was signed to a multi-year contract by the NBA's Milwaukee Bucks, a team he played with in the pre-season of 2003.Due to his limited role with the Bucks, he decided to sign a two-year deal with Olympiacos Piraeus on September 24, 2007.