Selected by the Pittsburgh Pirates in the 40th round of the 2019 MLB Draft out of Indiana University but did not sign and instead played his sophomore season at Indiana, where he led the team in batting (.310) and OBP (.434) en route to being named Third-Team All-Big Ten after 43 games... went undrafted in 2020 and signed with the New York Yankees as a free agent on June 18, 2020 following his junior season at Indiana... led Indiana in doubles in 2019 and was ranked No. 39 on D1Baseball's Top 100 Hitters of 2019-20 seasons list.
Made his Minor League debut with the Yankees in 2021 on May 4 with Single-A Tampa... hit his first professional home run on May 12, 2021 at Lakeland... was promoted by the Yankees to High-A Hudson Valley on June 15, 2021 and he debuted the following day with the Renegades... led Hudson Valley in stolen bases (17) and ranked third in runs (40) and fourth in hits (62) over 64 games... joined Surprise in the Arizona Fall League in October 2021 and was named an AFL Rising Star... voted as the Arizona Fall League's Breakout Player of the Year in 2021... hit .357 with two homers, 14 RBIs, 11 stolen bases, six doubles and 30 hits in 23 games with Surprise in 2021... led the AFL in stolen bases and ranked third in hits, fifth in OBP (.465) and sixth in batting... was named a Yankees organization All-Star by MiLB.com for 2021.
Before Indiana, he played for Joe Panlin and Todd DeWesse at F.J. Reitz High School in Evansville, Indiana, where he hit .386 his senior year with a .541 on base percentage and was rated the No. 1 outfielder and No. 6 player overall out of Indiana by PBR and the No. 35 outfielder and No. 222 player nationally... was a four-year letterwinner in basketball and a three-year letterwinner in football in high school and was the only student-athlete to win sectionals in three sports in school history (two in basketball and football, one in baseball)… earned all-state honors his junior and senior year in football…is the son of Paul and Augie Dunham and has three siblings, Isaiah, Moriah and Josiah.
Told FanGraphs in 2022 that he chose to sign with the Yankees over several other organizations. "From a development standpoint, the Yankees have a supreme development system for the Minor Leaguers. I was like, ‘If I want to be the best player I can be, I’ve got to go to the Yankees.’ ... I’ve gotten so much better defensively, thanks to the Yankees.”