SEATTLE, WASHINGTON - SEPTEMBER 13: Mitch Haniger #17 of the Seattle Mariners laps the bases after hitting a three-run home run against the Boston Red Sox to take a 5-3 lead in the seventh inning at T-Mobile Park on September 13, 2021 in Seattle, Washington. (Photo by Abbie Parr/Getty Images)
The Mariners started their biggest series of the year on Monday night as the Boston Red Sox came to town for a three-game series. The M’s were three games back in the wild card race and would need a strong showing against Boston to have any chance of realistically staying in the playoff picture.