[2][3] Simon played for the Timberwolves at the NBA Summer League and at the New Jersey Nets mini camp.

On 10 October 2005, Simon signed with Bulgarian club Lukoil Academic which participated in the ULEB Cup.

[7] He then played for French teams, both members of LNB Pro A League, Dijon and Strasbourg till 2010.

[11] In 2014 he returned to the Korean Basketball League with Wonju DB Promy, earning his second KBL All Star Bid and leading them to the Finals.

The next season he signed with Seoul SK Knights of the KBL, making another All Star game averaging 20.5ppg and 9rpg.

On February 19, 2016, Simon was signed by Tropang TNT as the team's new import, replacing the suspended Ivan Johnson where he averaged 24.5ppg and 15.5rpg.

In April 2018, Simon was released from Anyang shortly after the KBL implemented a rule on foreign players.

The move was made to combat declining league attendance, however it was met with much criticism which landed him with an interview on ESPN's Outside the Lines.