After graduating from Wake Forest, Sealy was selected by Kansas City Wizards 11th overall in the 2005 MLS SuperDraft.

After three and a half seasons with the Wizards, he was traded to San Jose Earthquakes on 14 July 2008 for an undisclosed amount of allocation money.

[1][2] After playing out the rest of the season with the Quakes, Sealy signed with Israeli side Maccabi Tel Aviv on 2 February 2009.

At season's end, the club declined his 2012 contract option and he entered the 2011 MLS Re-Entry Draft.

[4] After the conclusion of the 2012 season, Dallas declined the 2013 option on Sealy's contract and he entered the 2012 MLS Re-Entry Draft.