Pompey played in the Tournament 12 showcase[1][2] and for the Canadian national junior baseball team.

He was named All-Southeastern Conference in 2017, his sophomore year,[6] and a Preseason All-American by Collegiate Baseball and Perfect Game in 2018.

[14] After playing 24 games for Greensboro, the Marlins promoted Pompey to the Jupiter Hammerheads of the High-A Florida State League.

[15][16] In 52 total games between the two clubs, Pompey slashed .299/.408/.397 with three home runs, 23 RBIs, and ten stolen bases.

[19] In 2021, Pompey split the year between the Double-A Pensacola Blue Wahoos and Triple-A Jacksonville Jumbo Shrimp, hitting a combined .195/.314/.262 with one home run and 16 RBI in 56 total games.

[21] On June 21, 2022, Pompey signed with the Winnipeg Goldeyes of the American Association of Professional Baseball.