A former Phoenix Suns ticket manager has pleaded guilty to illicitly selling more than 2,800 of the team’s tickets through a third party from 2017 to 2019 and agreed to pay $458,218 to the team in restitution, according to a plea agreement filed in Maricopa County Superior Court. Jeffrey Marcussen, who worked for the Suns from 2004 to 2019, is scheduled to be sentenced on June 7 on felony fraud and theft charges.