Seattle Mariners, RHP Luis Castillo agree to 5-year contract

Mariners hand Tigers 18th shutout loss, complete sweep

Seattle Mariners held to 1 hit, Luis Castillo tagged for 4 runs in loss to Oakland A's

Luis Castillo: Breaking News, Rumors & Highlights

Mariners use early homers, strong start by Luis Castillo to top Nationals 8-4 - Hawaii Tribune-Herald

Vintage Verlander silences Seattle as Astros top M's 5-1 to open key series in playoff race – KIRO 7 News Seattle

Mariners outlast Rangers in 11, close in on playoff berth

Mariners shut out A's to pull even with Rangers in standings, tie for final wild card spot

Why Mariners did and didn't make certain moves at MLB trade deadline

Seattle Mariners, RHP Luis Castillo agree to 5-year contract – KIRO 7 News Seattle

Luis Castillo discusses contract extension with Mariners

Seattle Mariners, RHP Luis Castillo agree to 5-year contract - NBC Sports

Raleigh has HR, 3 RBIs as Mariners beat Royals 6-5