The Spurs signed Hall to an Exhibit 10 deal Friday, Adam Zagoria of ZagsBlog.com reports.
Hall went undrafted Thursday, but he'll get a chance to compete for an NBA roster spot during Summer League. The 6-foot-7 guard averaged 14.1 points, 6.7 rebounds, 5.8 assists and 1.2 steals during his sophomore campaign at Saint Joseph's.