Luis Castillo traded to Mariners by Reds for 4 prospects

Mariners acquire Reds All-Star SP Luis Castillo

Rangers miss out on pitching help as Mariners land Luis Castillo in trade with Reds

Luis Castillo shines in Seattle debut, Mariners hit four homers in 7-3 win over Yankees

The Seattle Mariners trade for Luis Castillo, make bid for postseason - Lookout Landing

Mariners acquire pitcher Luis Castillo from Reds for 4 prospects - The Athletic

Mariners acquire Luis Castillo for four prospects – Northwest Sports Desk

Mariners acquire Reds All-Star pitcher Luis Castillo in trade - Los Angeles Times

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

Reds trade Luis Castillo to Mariners for 4 prospects

Grading the Mariners-Reds, Luis Castillo MLB trade deadline deal

Luis Castillo trade takes Mariners beyond ending the playoff drought - Sports Illustrated