The Seattle Mariners have a new, yet very familiar, jersey sponsor ... the hideous patches that it will produce a 14% increase in batting averages and 22% increases in walks,” they wrote.

The Seattle Mariners on Thursday unveiled a ... by American sports leagues to begin allowing the practice after years of keeping jerseys clean and free of ads. The NBA had done the same for ...

Brash (elbow) will throw a live batting practice session Wednesday ... internal brace procedure on his right elbow last May. The Mariners have said Brash could make his season debut by the ...

T-Mobile Park had its usual Opening Day energy—fresh optimism, the crack of batting practice, and fans eager to kick off ...