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

Boston Red Sox first baseman Triston Casas has been the subject of repeated trade rumors since the beginning of the 2024-2025 offseason. In mid-November, ESPN baseball analyst Buster Olney reported that with Casas’ injury history,

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.