For a while on Wednesday afternoon, it looked like the Seattle Mariners were closing in on their first trip to the American League Championship series in 24 years.

But in October baseball, the pendulum swings can be jarring.

Three observations from Mariners’ Game 4 loss to Tigers

After winning Games 2 and 3 of their American League Division series against the Detroit Tigers, the Mariners took a 3-0 lead into the fifth inning of Game 4 at Comerica Park. But it all unraveled after that, as the M’s surrendered seven runs over the next two frames and suffered a 9-3 loss that leveled the best-of-five series at two games apiece.

The series now heads back to Seattle for a deciding Game 5 on Friday at T-Mobile Park.

“Everything’s in front of us,” Mariners manager Dan Wilson said. “And these

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