Triston Casas is being considered as a potential trade piece for the Red Sox in negotiations with the Mariners, highlighting his value as a promising offensive player. His inclusion could address the Mariners' need for offense while the Red Sox look to enhance their pitching staff.

Triston Casas has been rumored as a potential trade target for the Mariners, but no deal has been finalized, indicating that the Mariners' options for bolstering their infield are dwindling.

Triston Casas is a first baseman for the Red Sox and has been identified as a key piece in trade discussions with the Mariners, particularly in a potential swap for Luis Castillo. His acquisition could address Seattle's need for a first baseman to complement Luke Raley.

Triston Casas has been a focal point in the Mariners' trade discussions with the Red Sox, but initial talks indicated that Boston is seeking a significant return, potentially involving one of Seattle's young pitchers like Bryan Woo or Bryce Miller.

The Mariners have reportedly engaged in discussions with the Red Sox about acquiring Triston Casas, indicating their interest in bolstering their roster with the young first baseman early in the offseason.