2021: Callahan has appeared in 15 games thus far for the Spartans making 12 starts. He is currently batting .206 with 7 hits and 6 RBI.

Dallas spent his freshman season at Division 1 Coastal Carolina. He appeared in 19 games for the Chanticleers in his freshman season making four starts. He hit .276 with a double, two RBI and a run scored in 29 at-bats.

He then transferred to Brunswick Community College for his Sophomore year which was interrupted by the shortened 2020 season. At Brunswick he appeared in 8 games behind the plate batting .250 to go along with 8 RBI.

Dallas than transferred from Brunswick after the shortened season to UNC-Greensboro.