Their grip on the game cascaded away, from slow to swift to sheer disbelief. The Mariners were firmly in the driver’s seat for much of Game 4 of the American League Division Series against the Tigers on Wednesday.

Cal Raleigh’s leadoff home run tied Game 5 of the American League Championship Series in the bottom of the eighth, and four batters later, Eugenio Suárez unleashed an opposite-field grand slam that lifted the Mariners to a 6-2 victory over the Toronto Blue Jays at T-Mobile Park.

The Seattle Mariners’ ALCS collapse against the Blue Jays exposed rookie manager Dan Wilson’s costly mistakes.