Bobby Dixon or Ali Muhammed (born April 10, 1983), is an American-born naturalized Turkish former professional basketball player who played at the point guard position.

[1][2] After graduating from Chicago's Sullivan High School, Dixon played college basketball at Troy University.

[3] On February 9, 2014, he was named the MVP with 19 points, 5 rebounds, and 6 assists in the Turkish Cup final game against Anadolu Efes S.K.

[13] On October 14, 2021, he has announced his retirement from professional basketball and started to work as a Youth Coach for Fenerbahçe Beko.

With the Turkish national team, he played at the EuroBasket 2015, and the Manila 2016 FIBA World Olympic Qualifying Tournament.

[15] In June 2015, Dixon received a Turkish passport and citizenship, which legally changed his name in Turkey to Ali Muhammed.