Alonso agrees to 5-year, $155 million deal with O's (source)

December 10th, 2025

MLB.com is keeping track of the latest news and rumors surrounding .

Dec. 10: Alonso agrees to 5-year, $155 million deal with O's
The Polar Bear is heading to Baltimore.

Alonso has agreed to a five-year deal worth $155 million, a source tells MLB.com's Mark Feinsand. The deal includes no opt-outs and makes Alonso the game's highest-paid first baseman by average annual value.