Gillaspie has spent most of the last 2 seasons with the Grizzlies, batting .289/.368/.447 with 25 home runs and 110 RBIs. Gillaspie led Fresno in walks with 66 in 2011.
The Wichita State product was selected 37th overall by the Giants in the 2008 Draft.
Soptic was drafted by the White Sox in the 3rd round of the 2011 Draft out of Johnson County (Kan.) Community College. The Leawood, Kansas native spent all of 2012 with Single-A Kannapolis, appearing in 27 games. He was 3-2 with a 5.40 ERA (26er, 43.1ip) and 36 strikeouts against 29 walks. He also had 16 wild pitches. Opponents batted .176 against Soptic last year.
The right-hander was rated as having the best fastball in the Chicago farm system by Baseball America prior to the 2012 season.