History of Pete Alonso in Timeline
Pete Alonso, nicknamed "Polar Bear," is a professional baseball first baseman currently playing for the New York Mets in Major League Baseball (MLB).
1900: MLB Extra-Base Hit Record
Pete Alonso became the first player in MLB history since 1900 with 11 extra-base hits in his first 10 career games.
1938: Franchise Single-Season Home Run Record
On August 27, 2019, Alonso hit his 42nd home run to become the Mets all-time single-season home run leader. He is the first rookie to set his franchise's single-season home run record since Johnny Rizzo did it for the Pittsburgh Pirates in 1938.
1976: Rookie Home Run Record
In April of 2019, Pete Alonso's nine home runs tied a Mets record with Neil Walker (2016), John Buck (2013), Carlos Delgado (2006) and Dave Kingman (1976).
1976: Kingman's Home Run Record Before All-Star Break
On July 7, 2019, Alonso became the second player in Mets history to hit the most home runs before the All-Star break, after Dave Kingman in 1976.
1983: Mets Rookie Home Run Record
In 2019, Pete Alonso broke Darryl Strawberry's 1983 Mets rookie home run record.
December 7, 1994: Peter Morgan Alonso Born
On December 7, 1994, Peter Morgan Alonso, later nicknamed "Polar Bear", was born. He is an American professional baseball first baseman for the New York Mets.
1999: Previous RBI Record
In 2022, Pete Alonso broke a Mets' single-season RBI record of 124, previously set by Mike Piazza in 1999 and tied by David Wright in 2008.
2006: Rookie Home Run Record
In April of 2019, Pete Alonso's nine home runs tied a Mets record with Neil Walker (2016), John Buck (2013), Carlos Delgado (2006) and Dave Kingman (1976).
2008: Previous RBI Record
In 2022, Pete Alonso broke a Mets' single-season RBI record of 124, previously set by Mike Piazza in 1999 and tied by David Wright in 2008.
2013: Rookie Home Run Record
In April of 2019, Pete Alonso's nine home runs tied a Mets record with Neil Walker (2016), John Buck (2013), Carlos Delgado (2006) and Dave Kingman (1976).
2014: Collegiate Summer Baseball
In 2014, Pete Alonso played collegiate summer baseball with the Madison Mallards of the Northwoods League.
2015: Met Haley Walsh
In the summer of 2015, Pete Alonso met Haley Walsh while he was playing in the Cape Cod collegiate summer league.
2015: Cape Cod Baseball League
In the summer of 2015, Pete Alonso played for the Bourne Braves of the Cape Cod Baseball League.
2016: Signed with the Mets
In 2016, Pete Alonso signed with the New York Mets for a $909,200 signing bonus and made his professional debut with the Brooklyn Cyclones.
2016: MLB Draft
In 2016, Pete Alonso was selected by the New York Mets in the MLB draft after playing college baseball for the Florida Gators.
2016: Junior Year at Florida
In 2016, during his junior year at the University of Florida, Pete Alonso had a successful season, hitting .374/.469/.659 with 14 home runs and 60 RBIs in 58 games.
2016: Rookie Home Run Record
In April of 2019, Pete Alonso's nine home runs tied a Mets record with Neil Walker (2016), John Buck (2013), Carlos Delgado (2006) and Dave Kingman (1976).
2017: Promotion to Binghamton Rumble Ponies
In 2017, after a strong performance with the St. Lucie Mets, Pete Alonso was promoted to the Binghamton Rumble Ponies in August.
November 2018: Engagement to Haley Walsh
Pete Alonso and Haley Walsh were engaged in November 2018.
2019: "Polar Bear" Nickname
During spring training in 2019, Pete Alonso received the nickname "Polar Bear" from Mets third baseman Todd Frazier.
2019: Rookie Home Run Record and Rookie of the Year Award
In 2019, Pete Alonso broke the MLB rookie home run record with his 53rd home run, led all of MLB in home runs, and was awarded the National League Rookie of the Year. He was also named to the first team of the inaugural All-MLB Team.
2019: Record-Breaking Home Runs and All-Star Selection
In 2019, Pete Alonso broke the National League record for most home runs by a rookie before the All-Star break. He also broke the Mets rookie home run record, previously set by Darryl Strawberry in 1983, and was selected as a reserve to the 2019 All-Star Game.
2019: MLB Debut and Rookie of the Year
In 2019, Pete Alonso made his MLB debut on Opening Day for the New York Mets. That year, he won the National League's Rookie of the Year award and set a major league record for rookies with 53 home runs.
2019: MLB Debut and First Home Run
In 2019, Pete Alonso made the Mets Opening Day roster as the starting first baseman. He recorded his first major league hit on March 28 and hit his first major league home run on April 1.
2019: Second Consecutive Home Run Derby Win
On July 12, 2021, Pete Alonso won his second straight Home Run Derby, becoming the third player ever to win back-to-back Home Run Derbys. Alonso also won the 2019 Home Run Derby.
2019: Home Run Derby Champion
On July 8, 2019, Pete Alonso won the MLB Home Run Derby, defeating Vladimir Guerrero Jr. and becoming only the second rookie to win the Derby outright.
September 3, 2020: First Career Walk-Off Home Run
On September 3, 2020, Pete Alonso hit his first career walk-off home run. Despite this, his sophomore season was considered a step back from his rookie year.
2020: 2020 Season
During the 2020 season, which was shortened due to COVID-19, Pete Alonso played in 57 of the 60 games and batted .231/.326/.490 with 16 home runs and 35 RBIs.
2020: The Alonso Foundation
In 2020, Pete Alonso and his wife formed The Alonso Foundation, a charitable organization that supports youth, veteran, and animal causes.
November 12, 2021: Marriage to Haley Walsh
On November 12, 2021, Pete Alonso married Haley Walsh at Sacred Heart Catholic Church in downtown Tampa.
2021: Talent Evaluation
Heading into the 2021 season, some talent evaluators favored Dominic Smith over Pete Alonso as the team's starting first baseman.
2021: 2021 Season Stats
In 2021, Pete Alonso played in 152 games for the Mets, batting .262/.344/.519 with 37 home runs and 94 RBIs.
2021: Home Run Derby Win
In 2021, Pete Alonso won the MLB Home Run Derby for the second time.
2021: Second Consecutive Home Run Derby Win
On July 12, 2021, Pete Alonso won his second straight Home Run Derby, becoming the third player ever to win back-to-back Home Run Derbys.
March 13, 2022: Car Accident
On March 13, 2022, Pete Alonso was involved in a car accident in Tampa, Florida. His vehicle was struck by another driver and flipped over three times, but he was not injured.
March 22, 2022: Contract Agreement with the Mets
On March 22, 2022, Pete Alonso signed a $7.4 million contract with the Mets, avoiding salary arbitration.
August 17, 2022: Joins the United States National Baseball Team
On August 17, 2022, Pete Alonso announced that he would also join the United States national baseball team in the 2023 World Baseball Classic.
2022: Franchise Record
In 2022, Pete Alonso broke the franchise record and tied Aaron Judge for the most RBI in the major leagues.
2022: League Leader in Runs Batted In
In 2022, Pete Alonso led the league in runs batted in.
2022: All-Star Game Selection and Single-Season RBI Record
In 2022, Pete Alonso was named to the MLB All-Star Game for the second time and set a new Mets' single-season RBI record with 125.
2023: World Baseball Classic
In the 2023 World Baseball Classic, Pete Alonso went 2-for-14 across five games.
2023: 150th Career Home Run
On April 7, 2023, Pete Alonso hit his 150th career home run, passing Carlos Beltrán for sixth place on the Mets all-time home run list.
2023: 2023 Season
Pete Alonso finished the 2023 season batting .217/.318/.504 with 46 home runs and 118 RBI.
January 11, 2024: Contract Agreement with the Mets
On January 11, 2024, Pete Alonso and the Mets agreed on a one-year, $20.5 million contract to avoid salary arbitration.
2024: Free Agency
After the 2024 season, Pete Alonso's contract with the Mets expired and became a free agent for the first time in his career. The Mets offered him a qualifying offer, which he declined.
2024: Full Season Appearance
In 2024, Pete Alonso appeared in 162 games for the Mets, making him the second player in Mets history to appear in every game in a single season. He finished the season batting .240/.329/.459 with 34 home runs and 88 RBI.
2024: Hall of Fame Induction
In 2024, Pete Alonso was inducted into the Madison Mallards Hall of Fame.
2024: 2024 Postseason Performance
In the 2024 MLB postseason, Pete Alonso played in 13 games for the Mets, batting .273/.431/.568 with 4 home runs and 10 RBI.
2024: Go-Ahead Home Run
On October 3, in Game 3 the 2024 National League Wild Card Series against the Milwaukee Brewers, Pete Alonso hit a go-ahead, three-run home run to give the Mets a 3–2 lead.
February 12, 2025: Contract with the Mets
On February 12, 2025, Pete Alonso and the Mets agreed on a two-year, $54 million contract including a player opt-out after the 2025 season.
