The Chicago White Sox have signed first baseman Andrew Vaughn, their first-round pick (third overall) in the 2019 First-Year Player Draft, second-round selection right-handed pitcher Matthew Thompson and third-round pick right-hander Andrew Dalquist to minor-league contracts.
Vaughn, 21, batted .381 (67–176) with 14 doubles, 15 home runs, 50 RBI, 49 runs scored, 59 walks, a .544 on-base percentage, .716 slugging percentage and 1.260 OPS in 52 games for the University of California in 2019. Vaughn, who signed with a $7,221,200-million signing bonus, finished the regular season ranked among Division I leaders in on-base percentage (3rd, .