A native of Boone, Iowa, Sandvig produced a dominant offensive performance in the season-opening weekend, as the Trojans started 2025 with a 2-0 record. He averaged 4.00 kills and 2.14 digs per set while posting a .500 hitting percentage. On Friday night, Sandvig led the team with 14 kills on a .462 clip while totaling one ace and six digs in a 3-0 sweep over Fort Valley State. The following day in a rematch against Fort Valley State, he tallied 14 kills on an impressive .545 hitting percentage with one ace, nine digs, and two blocks in a 3-1 victory.