Alderman grew up in Decatur, Mississippi and attended Newton County Academy, where he played baseball, basketball, and eight-man football.[1] As a junior, he batted .569 with 12 home runs and 41 RBIs while also pitching to a 8-3 record with a 2.83 ERA and 90 strikeouts.[2] Alderman committed to play college baseball at Ole Miss.[3]
Alderman played in eight games during his freshman season with the Ole Miss Rebels and hit for a .125 average with one home run.[4] After the season he played collegiate summer baseball for the Bethesda Big Train of the Cal Ripken Collegiate Baseball League, where he led the league with eight home runs and 47 RBIs.[5] As a sophomore, Alderman served as the Rebels' primary designated hitter and hit .286 with 11 home runs, 15 doubles, and 45 RBIs as Ole Miss won the 2022 College World Series.[6] He spent the summer playing for the Fond du Lac Dock Spiders of the Northwoods League.[7] Alderman was awarded the C Spire Ferriss Trophy as the top collegiate baseball player in the State of Mississippi at the end of his junior season after batting .376 with 19 home runs and 61 RBIs.[8]
