Luis Castillo - Seattle Mariners Starting Pitcher - ESPN

ESPN's Jeff Passan: It's far too early to worry about Mariners - Seattle Sports

Mariners Moose Tracks, 7/3/23: Luis Castillo, Mark Mathias, Alek Manoah - Lookout Landing

Luis Castillo Named To American League All-Star Team, by Mariners PR

Luis Castillo - Seattle Mariners Starting Pitcher - ESPN

Luis Castillo - Seattle Mariners Starting Pitcher - - ESPN (SG)

Mariners Acquire Luis Castillo From Reds Via Trade

Seattle Mariners acquire Luis Castillo, send package highlighted by prospect Noelvi Marte to Cincinnati Reds - ESPN

Seattle Mariners Traded for Luis Castillo and Now They're Signing Him to a Huge Extension - Bleacher Nation

All-Star pitcher Luis Castillo will begin tenure with Seattle Mariners against New York Yankees - ESPN

Mariners excited to see what Luis Castillo can accomplish with full season in Seattle

Luis Castillo - Seattle Mariners Starting Pitcher - ESPN