At the time of his selection, the 6-foot-2, 215-pound senior right-handed pitcher and third baseman had led the Cougars (26-5) to the Division 2 District 53 semifinals. Armstrong compiled a 5-0 record over 34 innings on the mound, posting a 0.21 ERA and amassing 70 strikeouts while issuing just three walks. He fired three shutouts, including a no-hitter, as opposing batters hit for an average of 0.100 against him through 31 games. At the plate, Armstrong entered the postseason’s district round with a batting average of .388 along with five doubles, three triples, six home runs and 26 RBI. Ranked as the nation’s No. 114 prospect in his class by Perfect Game and as Michigan’s No. 1 recruit by Baseball America, he played in the 2025 PBR 17U National Championships.
Armstrong has maintained a 3.21 GPA in the classroom. He has signed a written letter of athletic aid to play baseball at the University of Michigan this fall.
Armstrong has volunteered locally on behalf of the Miracle League, which provides baseball opportunities to the intellectually or physically challenged.