Wearing a split jersey with that was half Athletics on the left side and half Mariners on the right, Baseball Hall of Famer Rickey Henderson threw out the first pitch to Seattle manager Dan Wilson.

The Oakland A's and the Seattle Mariners have never been great friends; the teams have been division rivals in the AL West since Seattle became a team in 1977. But after nearly 50 years of ...

SEATTLE — The Seattle Mariners will have one month of painstakingly watching postseason baseball before the ... Michael Peoples was named the Dave Henderson Staff Member of the Year.

Baseball Hall of Famer Rickey Henderson threw out the ceremonial ... That’s down slightly from last season when Seattle drew 2,690,418. The A’s and Mariners will see each other again in ...

Seattle Mariners starting pitcher Logan Gilbert ... and Darell Hernaiz had a two-run double in the ninth. Baseball Hall of Famer Rickey Henderson threw out the ceremonial first pitch on the ...

The Oakland A's and the Seattle Mariners have never been great friends; the teams have been division rivals in the AL West ...

Baseball Hall of ... wearing a half-A’s, half-Mariners jersey. While Henderson played the majority of his career in Oakland, he spent part of one season with Seattle in 2000.