Pete Alonso spent seven seasons in Queens as the guy who hit home runs for a team that kept underachieving. He signed with Baltimore and immediately did something nobody in the history of the sport had done.
Alonso led the American League in RBIs in 2026. He led the National League in RBIs in 2022 with the Mets. RBIs have been an official statistic since 1920, and until now not one player had ever won the title in both leagues.
How Rare This Actually Is
Plenty of great hitters have changed leagues. Almost none have arrived and immediately led their new league in the counting stat most dependent on lineup context.
That is the part people undersell. An RBI title requires elite production and a lineup that keeps putting runners on base ahead of you. Alonso had that in New York. He found it again in Baltimore in his first season with the club, which is not something you can plan for.
He finished with 43 home runs and 113 RBIs, giving him the AL lead in both categories.
He Might Have Doubled Up
Alonso won the NL home run crown as a rookie in 2019 with 53. Leading the AL in home runs this year would make him only the fifth player in the Modern Era to lead both leagues in homers, joining Shohei Ohtani, Mark McGwire, Fred McGriff and Sam Crawford.
Every name on that list was the most feared power hitter of his era, and Alonso spent most of his career being described as a very good slugger rather than a historic one.
The Mets Let This Happen
New York had Alonso for seven years and let the relationship sour over money and years. He left. He went to Baltimore. He immediately produced a season that will be in the record books permanently.
Mets fans do not need another reminder of how that front office handles its own stars. They got one anyway.
What It Means for His Legacy
Alonso is now a first baseman with a rookie home run record, two league home run titles and RBI crowns in both leagues. That is a Hall of Fame conversation, not a compiler’s résumé.
He is not going to get in on the first ballot. He is going to be on the ballot, and the guys who spent years calling him one-dimensional are going to have to explain the dual-league RBI thing every single time.
Baltimore Got Exactly What It Paid For
The Orioles have spent several years developing position players and needed one established slugger to anchor the middle of the order. Alonso delivered that in his first season and delivered a piece of history on top of it.
That is a rare outcome for a big free-agent bat. Most of them arrive, decline slightly, and get described as fine. Alonso arrived and led the league in two categories.
Whatever Baltimore committed, the first year paid for itself.
A longtime sports reporter, Carlos Garcia has written about some of the biggest and most notable athletic events of the last 5 years. He has been credentialed to cover MLS, NBA and MLB games all over the United States. His work has been published on Fox Sports, Bleacher Report, AOL and the Washington Post.