First-place Seattle Mariners hammer Kansas City Royals 15-2 - Seattle Sports
Betancourt leads Royals over Mariners in 10 - The San Diego Union-Tribune
Bullpen implodes in the eighth in 13-7 loss to Mariners - Royals Review
2018 CLE Media Guide, PDF, Cleveland Indians
2013 LAD Media Guide, PDF, Major League Baseball
Mariners acquire reliever Diego Castillo from Rays for J.T. Chargois and prospect Austin Shenton - Lookout Landing
Betancourt leads Royals over Mariners in 10 - The San Diego Union-Tribune
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Watch: Mariners end two-decade playoff drought with walk-off homer - The Boston Globe
Teoscar Hernández homers twice to lead Mariners over Royals 15-2 – KIRO 7 News Seattle