Hall made 18 appearances with one start during his freshman season at Southern Miss and went 1-1 with a 5.02 ERA.[2] As a sophomore, he went 9-3 record with a 2.81 ERA and 146 strikeouts against 14 walks over 109 innings pitched.[3] Hall was named the Conference USA Pitcher of the Year and won the C Spire Ferriss Trophy as the top collegiate baseball player in the State of Mississippi.[4] He was also a consensus All-America selection.[5] Hall repeated as a consensus All-American during his junior season after going 12-4 with a 2.48 ERA with 124 strikeouts.[6]