Jones spent part of the offseason training with Randy Moss, who emphasized the importance of lower-body strength and running routes in a manner that maximizes yards after the catch, Tim Twentyman of DetroitLions.com reports.
Butler and the Bulls' No. 16 pick were traded to the Timberwolves during Thursday's NBA Draft in exchange for the Timberwolves' No. 7 pick, Zach LaVine, and Kris Dunn, K.C. Johnson of the Chicago Tribune reports.