2025 (Western Kentucky): The Evansville, Ind. native appeared in 29 games with 11 starts in the field with the Hilltoppers hitting .261 from the plate with 12 hits, five RBIs, 12 runs, and 10 stolen bases. He highlighted his lone season at WKU with a 3-for-4 game with two RBIs, three runs, and three stolen bases against Evansville on March 25.
2023-24 (Southern Indiana): Niehaus spent two years at USI under Archuleta posting 114 games played and 112 starts on the year. He recorded a .274 batting average over his first two collegiate seasons with 26 doubles, three triples, and six home runs, while driving in 77 RBIs and 80 runs scored. He added a .384 slugging percentage and a .339 on-base percentage, while adding 19 stolen bases.
Niehaus hit .284 in his final season at USI while starting all 59 games in 2024. He scored a career-high 53 runs and added 16 doubles, while highlighting his season with a two-homer game against SEMO. He added a .375 batting line with two RBIs and three runs scored at the 2024 OVC Baseball Championships.
Niehaus as named to the OVC All-Freshman Team after hitting .263 with three home runs, 27 runs scored, and 46 RBIs in 2023. He opened his collegiate career with a two-homer, five-RBI weekend against Western Illinois on his way to finishing third on the team with 16 multi-hit games and first with 12 multi-RBI contests.
