Shed Long Jr. hit a walk-off grand slam to give the Mariners a series sweep
This was Long's first home run of the year.
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The Cubs’ David Bote hit the first MLB walk-off grand slam while down 3-0 since 1936
Sammy Byrd of the Reds was the last MLB player to hit a walk-off grand slam down 3-0, and he did it 82 years ago.
