Gregory Pio
Gregory Pio — Mariners Prospect Profile
Mariners center fielder, No. 8 in the September 2026 rankings. Scouting reports, development notes and level-by-level analysis from Jason A. Churchill.
Gregory Pio
Mariners prospect, outfielder from the 2026 international signing period. Scouting/performance reports and statistical analysis from Jason A. Churchill.