Business Luis Castillo Trade Rumors: Could He Be a Sixth Starter? by Marcus Liu - Business Editor June 6, 2026 by Marcus Liu - Business Editor June 6, 2026 MLB Roster Dynamics: The Trade Status of Luis Castillo As of June 6, 2026, Seattle Mariners pitcher Luis Castillo remains a focal point of MLB trade discourse as teams evaluate … 0 FacebookTwitterPinterestEmail