[2] In 2018, his junior year, Sandlin won the C Spire Ferriss Trophy, given to the best collegiate baseball player in Mississippi.

[1][7] He spent the 2018 season with the rookie-level Arizona League Indians, Single-A Lake County Captains, High-A Lynchburg Hillcats, and Double-A Akron RubberDucks, compiling a combined 2–0 record and 3.00 ERA with 36 strikeouts in 24 total relief innings pitched between the four clubs.

[12] Sandlin pitched in 46 games out of the bullpen during the 2022 season, compiling a 5-2 record and 2.25 ERA with 41 strikeouts over 44 innings of work.

[14] Sandlin made 68 appearances for Cleveland in 2024, registering an 8-0 record and 3.75 ERA with 68 strikeouts and 1 save across 57+2⁄3 innings pitched.

[15] On December 10, 2024, Sandlin, alongside Andrés Giménez, was traded to the Toronto Blue Jays in exchange for Spencer Horwitz and Nick Mitchell.