Castillo and Andrés Muñoz combined on a shutout, Cal Raleigh hit a two-run homer.

the Mariners won in their first postseason game since 2001, beating the Blue Jays 4-0.

Eugenio Suárez had two hits and two RBI and rookie Julio Rodríguez reached base three times.

The series winner plays AL West champion Houston in the Division Series starting Tuesday in Texas.

Castillo said  "That gives me that little extra energy when I go on the mound."

Raleigh said Castillo was "awesome." Suárez called him "unbelievable."

"Credit to Luis, he was in total command today," Seattle manager Scott Servais said.

Toronto has lost four straight postseason games and seven of their past eight.