Pete Alonso is a prolific power hitter who set the MLB rookie home run record in 2019 and became a Mets fan favorite.
Pete Alonso set the MLB rookie record with 53 home runs in 2019, won the National League Rookie of the Year Award unanimously, and became the New York Mets' all-time home run leader — a power-hitting first baseman whose "Polar Bear" nickname and outsized personality have made him one of the sport's most recognizable figures. Plant High School to complete his education. The New York Mets drafted him in 2016, and he debuted in 2019, immediately setting the MLB rookie record for home runs in a season with 53, en route to a unanimous National League Rookie of the Year award. Nicknamed "Polar Bear" for his large frame and powerful, uppercut swing, Alonso became one of the most popular and prolific power hitters in Mets history, winning the Home Run Derby twice, in 2019 and 2021, and becoming the franchise's all-time home run leader. Alonso led the National League in RBIs in 2022, and has earned five All-Star selections across his career while establishing himself as one of the most durable and consistent sluggers in the sport, rarely missing significant playing time despite the physical demands of everyday first base duty. After seven seasons anchoring the middle of the Mets' lineup, Alonso signed with the Baltimore Orioles in 2026, bringing his power bat and fan-favorite persona to a new franchise as he continues to build one of the most productive power-hitting careers of his generation.
Mets slugging first baseman, 'Polar Bear', 2019 Home Run Derby champion
How They Played
Power-hitting first baseman with exceptional home run ability
Lasting Impact
One of the premier power hitters in modern baseball
Career Honours
- NL Rookie of the Year (2019)
- 5x All-Star
- Silver Slugger (2025)
- 2019 Home Run Derby champion
- MLB HR leader (2019)
| Team | Period | Games | Jersey |
|---|---|---|---|
| New York Mets | 2019–2024 | 780 | #20 |