Pete Alonso: What Team Is He On, Home Runs, Height, Age and Wife

Pete Alonso has entered a new chapter of his MLB career in 2026. After spending the first seven seasons of his major-league career with the New York Mets, the powerful first baseman is now playing for the Baltimore Orioles.

The move ended Alonso’s long run in New York, where he became one of the most recognizable sluggers in franchise history. He also established himself as one of baseball’s premier home-run hitters.

Here is everything fans need to know about Pete Alonso, including his current team, home-run record, height, age and wife.

What team is Pete Alonso on?

Pete Alonso currently plays for the Baltimore Orioles as a first baseman. ESPN lists him as Orioles No. 25, while MLB identifies him as a 6-foot-3 first baseman.

Alonso joined Baltimore after his lengthy tenure with the Mets ended. He signed a five-year, $155 million contract that runs through the 2030 season.

The change was significant because Alonso had spent his entire MLB career with the Mets before moving to Baltimore.

His first season with the Orioles has given him a chance to establish himself in a new American League environment while continuing to provide the power that has defined his career.

How many home runs does Pete Alonso have?

Alonso remains one of MLB’s premier power hitters.

As of the latest available 2026 statistics, Baseball-Reference lists him with 29 home runs for Baltimore, while MLB’s game coverage confirms that his solo homer against the New York Yankees on August 19 was his 29th of the season.

That home run also highlighted Alonso’s ability to produce in important moments. He went deep against Yankees pitcher Will Warren in the third inning during Baltimore’s August 19 matchup.

For his career, Alonso has 287 regular-season home runs, according to Baseball-Reference’s latest statistics.

Pete Alonso career home-run milestones

Alonso’s power numbers have been impressive since his rookie season.

• MLB debut: 2019
• Career home runs: 287
• 2026 team: Baltimore Orioles
• 2026 home runs: 29
• Home Run Derby titles: 2019 and 2021
• All-Star selections: Five
• 2019 award: American League Rookie of the Year

His 2019 rookie campaign was especially memorable. Alonso broke the MLB rookie home-run record at the time with 53 homers and won the Home Run Derby during his first major-league season.

Pete Alonso’s height

Pete Alonso is listed at 6 feet 3 inches (190 cm) and approximately 245 pounds (111 kg).

His large frame has contributed to his reputation as a powerful right-handed hitter. Alonso combines his size with considerable bat speed, allowing him to consistently generate extra-base power.

He bats and throws right-handed.

How old is Pete Alonso?

Pete Alonso was born on December 7, 1994, in Tampa, Florida. He is 31 years old as of August 2026.

Alonso attended H.B. Plant High School in Tampa before playing college baseball at the University of Florida. The New York Mets selected him in the second round of the 2016 MLB Draft.

He made his major-league debut on March 28, 2019.

Who is Pete Alonso’s wife?

Pete Alonso is married to Haley Alonso.

The couple married on November 12, 2021, in Tampa, Florida. They first met in 2015 while Alonso was playing summer baseball in the Cape Cod League. Haley attended Michigan State University, while Pete attended the University of Florida.

Haley has been a prominent supporter of Alonso throughout his professional baseball career. The couple has also worked together on charitable projects through the Alonso Foundation.

MLB’s player biography confirms that Pete and Haley have a son. Their first child, Teddy, was born in September 2025.

Pete Alonso and the New York Mets

Before joining Baltimore, Alonso was closely associated with the New York Mets.

The Mets selected him in the 2016 draft, and he reached the majors in 2019. He quickly became one of the most productive hitters in the organization.

According to Baseball-Reference, Alonso hit 264 home runs in seven seasons with the Mets.

His Mets career included multiple All-Star selections, two Home Run Derby championships and numerous franchise power records.

In August 2025, Alonso became the Mets’ all-time home-run leader, further cementing his place in franchise history.

Why did Pete Alonso leave the Mets?

Alonso’s departure followed his decision to enter free agency after opting out of his Mets contract.

The Mets had been Alonso’s organization since he was drafted, but the two sides ultimately moved in different directions. Baltimore then signed the slugger to a five-year deal worth $155 million.

His move to the Orioles was therefore one of the most notable changes of his career.

Pete Alonso’s MLB career stats

Alonso has built an impressive statistical résumé.

Through the latest available figures, his career regular-season totals include:

These numbers demonstrate why Alonso has consistently been regarded as one of baseball’s biggest power threats.

Pete Alonso’s nickname

Alonso is widely known by the nickname “Polar Bear.”

The nickname was given to him during Mets spring training in 2019 by former teammate Todd Frazier. It quickly became associated with Alonso and remains one of the most recognizable player nicknames in MLB.

The nickname fits his physical presence and powerful hitting style.

Pete Alonso’s Home Run Derby success

The Home Run Derby has been an important part of Alonso’s career.

He won the event in 2019 during his rookie season and successfully defended the title in 2021.

His two championships put him among the most successful Derby competitors of the modern era.

Alonso’s reputation as a home-run specialist has therefore extended beyond regular-season baseball.

Pete Alonso’s 2026 season

Alonso’s first season with Baltimore has featured both challenges and a strong second-half resurgence.

After a slow beginning, he improved significantly during the middle portion of the season. By August 19, he had reached 29 home runs and was producing a .915 OPS over his previous 96 games, according to the New York Post.

He has also adjusted to a surprising new role. On August 14, Alonso became a leadoff hitter for the first time in his MLB career during Baltimore’s game against Tampa Bay.

Although he is traditionally viewed as a middle-of-the-order slugger, his ability to reach base has given Baltimore another reason to experiment with his lineup position.

Pete Alonso FAQs

What team does Pete Alonso play for?

Pete Alonso plays for the Baltimore Orioles in 2026.

How many home runs does Pete Alonso have in 2026?

He has 29 home runs according to the latest game coverage available after his August 19 homer against the Yankees.

How tall is Pete Alonso?

Pete Alonso is listed at 6 feet 3 inches, or about 190 cm.

How old is Pete Alonso?

Born December 7, 1994, Alonso is 31 years old in August 2026.

Who is Pete Alonso’s wife?

Pete Alonso’s wife is Haley Alonso. They married in November 2021.

How many career home runs does Pete Alonso have?

Alonso has 287 regular-season MLB home runs according to the latest Baseball-Reference figures.

What is Pete Alonso’s nickname?

His famous nickname is “Polar Bear.”

Conclusion

Pete Alonso is no longer a New York Met. In 2026, the slugger is wearing a Baltimore Orioles uniform and continuing to make an impact with his power hitting.

At 31 years old and standing 6-foot-3, Alonso already has 287 career home runs, two Home Run Derby championships and five All-Star selections.

His move to Baltimore represents a new phase of a career that began with a spectacular rookie season in New York. With a long-term contract through 2030, Alonso now has the opportunity to add another chapter to his MLB legacy with the Orioles.