[1][2] Hendrick grew up in Pittsburgh, Pennsylvania and attended West Allegheny Senior High School, where he was both an outfielder and a starting pitcher on the baseball team.
[3] Regarded as one of the best collegiate recruits in his class early on, he committed to play college baseball at Mississippi State after his freshman year of high school when he batted .371 with three home runs, 20 RBIs and 17 walks and went 5-0 with 37 strikeouts in 34 innings as a pitcher.
[9][10] Hendrick was considered one of the top high school prospects for the 2020 Major League Baseball draft,[11][12][13][14] and was selected 12th overall by the Cincinnati Reds.
[16] After not playing a minor league game in 2020 due to the cancellation of the season, Hendrick was added to Cincinnati's 60-man player pool with whom would train at Prasco Park.
[17] He made his professional debut in 2021 with the Daytona Tortugas of the Low-A Southeast, slashing .211/.380/.388 with seven home runs, 29 RBIs and 16 doubles over 63 games.