Selected in the 2nd Round of the 2016 MLB Draft, Alonso has been stellar and lived up to the hype surrounding his power potential. The University of Florida product split time between Double-A and Triple-A in 2018, slashing a cumulative .285/.395/.579 with 36 home runs and 68 extra-base hits in 574 PA’s.
Alonso has a thick and powerful frame that generates plus bat speed and 80-grade raw power. Alonso is a below average runner, but his footwork is good enough to make the routine plays at first base. An average defender, slow foot speed and 40-grade arm strength profiles him best as a 1B/DH option. Offensively, Alonso is aggressive on every pitch and looks to ambush fastballs. His short stroke creates tremendous loft and consistently hard contact that produces 60-grade game power that plays from pole to pole. Alonso is prone to expand the zone in hitters’ counts and to chasing spin. Overall, he is making solid decisions at the plate, and he’s put professional at-bats together throughout the Fall League. His combination of approach, bat-to-ball skills, and tremendous power help project an overall hit tool of 55.
Alonso has an MLB-ready profile right now, and he could become a force in middle of the lineup for the Mets next season. His floor is a Role 50 second-division regular at first base, and ceiling as Role-60 leading first baseman in homeruns on a regular basis.