Alonso with the Mets at Nationals Park in 2019
|New York Mets – No. 20|
|Born: December 7, 1994|
|March 28, 2019, for the New York Mets|
|MLB statistics |
(through August 20, 2019)
|Runs batted in||97|
|Career highlights and awards|
Peter Morgan Alonso (born December 7, 1994), nicknamed "Polar Bear", is an American professional baseball first baseman for the New York Mets of Major League Baseball (MLB). He made his MLB debut in 2019.
Alonso was born to Michelle and Peter Matthew Alonso in Tampa, Florida. His paternal grandfather, Peter Conrad Alonso, had fled his hometown of Barcelona during the Spanish Civil War and settled in Queens, New York.
Alonso attended Jesuit High School in Tampa for his first two years of high school, and transferred to Henry B. Plant High School in Tampa to finish high school. He played lacrosse and football as a freshman before quitting to focus solely on baseball.  For the baseball team, he was a third baseman. He enrolled at the University of Florida, where he played college baseball for the Florida Gators as a first baseman. He was named All-Southeastern Conference in his freshman year. In 2016, his junior year, he hit .374/.469/.659 with 14 home runs and 60 RBIs in 58 games. He competed for Florida in the 2015 and 2016 College World Series.
The New York Mets selected Alonso in the second round, with the 64th overall selection, of the 2016 Major League Baseball draft. He signed with the Mets for a $909,200 signing bonus, and spent 2016 with the Brooklyn Cyclones of the Class A-Short Season New York-Penn League, where he posted a .322 batting average with five home runs and 21 RBIs in thirty games. He was chosen to participate in the league's All-Star Game. He began the 2017 season with the St. Lucie Mets of the Class A-Advanced Florida State League, and after batting .286 with 16 home runs and 58 RBIs in 82 games, was promoted to the Binghamton Rumble Ponies of the Class AA Eastern League in August, where he batted .311 with two home runs and five RBIs in 11 games.
MLB.com ranked Alonso as New York's fourth best prospect going into the 2018 season. He began the 2018 season in Binghamton, and received a midseason promotion to the Las Vegas 51s of the Class AAA Pacific Coast League. He represented the Mets in the 2018 All-Star Futures Game. In 132 games between Binghamton and Las Vegas, he slashed .285/.395/.579 with 36 home runs and 119 RBIs. He won the Joe Bauman Home Run Award. That season, Alonso was the final batter in Cashman Field history, as he hit a walk-off home run in the bottom of the 9th inning during the last baseball game played at the facility.
New York Mets
Alonso made the Mets Opening Day roster in 2019 as the starting first baseman. Alonso was in the team's starting lineup on Opening Day on March 28, 2019, and recorded his first major league hit against Washington Nationals pitcher Justin Miller in the eighth inning. He hit his first major league home run on April 1 off of Drew Steckenrider of the Miami Marlins, in the fourth game of his MLB career.
On April 9, Alonso had his first career multi-home run game against the Minnesota Twins. Alonso became the first player in MLB history (since 1900) to have at least 11 extra-base hits in his first 10 career games. No other player ever had more than nine. In April, Alonso batted .292 with nine home runs, 8 doubles, 1 triple and 26 RBIs in his first games in the big leagues. He won the National League Rookie of the Month Award for this feat. Alonso's nine home runs lead all MLB rookies and are tied for the most by a Mets player before May 1 with Neil Walker (2016), John Buck (2013), Carlos Delgado (2006) and Dave Kingman (1976).
On June 22, Alonso hit his 26th home run, breaking the National League record for most home runs by a rookie before the All-Star break, passing Cody Bellinger, who set the record with 25 home runs in 2017. The next day, with his 27th home run, he broke the Mets rookie home run record, previously set by Darryl Strawberry in 1983. Alonso was selected as a reserve to the 2019 All-Star Game. He also won the National League Rookie of the Month Award for the month of June; his second one (April).
On July 7, Alonso became the second player in Mets history to hit the most home runs (30) before the All-Star break, tying Dave Kingman (1976). On July 8, Alonso won the 2019 MLB Home Run Derby, defeating Toronto Blue Jays third baseman Vladimir Guerrero Jr. 23–22 in the final round, becoming only the second rookie (after Aaron Judge won in 2017) to win the Derby outright. On the way to the final round, Alonso also beat Carlos Santana and Ronald Acuña Jr., hitting 37 total home runs during the entire Derby.
On August 15, Alonso, in a 10–8 win over the Atlanta Braves, hit his 39th home run, tying Cody Bellinger for the most home runs by a rookie in National League history. Alonso finished the game with a career-high five hits and six RBI's. He broke Bellinger's record on August 18 with his 40th home run in an 11–5 win against the Kansas City Royals, making him the first player in history to hit 40 home runs in his first season in the NL. Alonso is the first Mets player to hit 40 home runs in a season since Carlos Beltrán hit 41 in 2006, as well as the fourth Mets player in total.
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