Craig Kimbrel
On November 13, 2015, the Red Sox traded Guerra, Carlos Asuaje, Manuel Margot, and Logan Allen to the San Diego Padres for Craig Kimbrel. He spent 2016 with the Class A-Advanced Lake Elsinore Storm, where he batted .202/.264/.325 with nine home runs and 41 RBIs in 105 games, as on defense he made 30 errors at shortstop and had a .940 fielding percentage. The Padres added him to their 40-man roster after the 2016 season.