With the Red Sox casting a wide net to improve their roster this offseason, Triston Casas’ name has been a fixture in trade rumors. Most notably in connection with the Seattle Mariners, who have a need for offensive talent and an abundance of young starting pitching to offer.

The Red Sox were willing to part with Triston Casas for one of the Mariners' standout pitchers on one condition.

The Boston Red Sox continue to target upgrades to their starting rotation as the 2024-2025 offseason goes on. One name that has surfaced repeatedly in the team’s quest is Seattle Mariners righty and three-time All Star Luis Castillo.