This article was originally published on www.si.com/collectibles as Essential Alex Rodriguez Baseball Cards.

The Mariners completed one of their largest free-agent signings in franchise history, announcing a five-year deal for Josh ...

The Seattle Mariners bolstered their bullpen thanks to the addition of a Los Angeles Dodgers pitcher who was viewed as ...

Two players who briefly played for the Seattle Mariners are joining three holdovers with M's ties on the Baseball Hall of ...

We still haven't seen official terms of this signing, but the bottom line is that Josh Naylor is going to remain a Seattle ...

The Mariners and Josh Naylor are in the final stages of an agreement on a five-year contract to keep the 28-year-old ...

The first major signing of the offseason is in the books as first baseman Josh Naylor and the Seattle Mariners agreed to a ...

Monday, along with 15 holdovers from last year’s ballot, including former Mariners Félix Hernández, Alex Rodríguez, Omar ...

Welcome to Fluor Field, where young Red Sox prospects prepare for the jump to Double-A, a Green Monster replica looms in left ...

Jack McMullen and Aram Leighton say the Seattle Mariners should look to retain Josh Naylor, marking a smart long-term ...