MLB Rumors: Pete Alonso Finalizing Deal With Red Sox Rival

Pete Alonso will take his talents to the American League East, but the free-agent slugger won’t be signing with the Boston Red Sox.

Alonso is finalizing a five-year, $155 million contract with the Baltimore Orioles, according to ESPN’s Jeff Passan.

BREAKING: First baseman Pete Alonso and the Baltimore Orioles are finalizing a five-year, $155 million contract, sources tell ESPN. Alonso leaves the Mets to make a loaded AL East even better.

— Jeff Passan (@JeffPassan) December 10, 2025

Alonso was heavily linked to Boston since the start of free agency and the Red Sox were thought to have a legitimate chance to sign the veteran slugger. It previously was thought the incumbent Mets and Red Sox were the front-runners to land Alonso with the Orioles being viewed as a lesser option.

Alonso’s agreement comes just one day after slugger Kyle Schwarber re-signed with the Phillies on a five-year, $150 million deal.