Beginning this season, the teams said Friday, they will join rock star Eddie Vedder in creating the real Vedder Cup, the prize for the victor in their six-game season series. Fans have playfully referred to the Padres vs.

The winner of the annual series between the San Diego Padres and Seattle Mariners will now win the Vedder Cup. Pearl Jam lead singer Eddie Vedder designed the trophy.

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Named for Pearl Jam frontman Eddie Vedder, who grew up in San Diego and came to fame with Seattle rock giants Pearl Jam, the Vedder Cup moniker was originally coined by sportswriters in the two cities, searching for a nickname for the rivalry between the two teams, who were designated as "natural rivals" when MLB adopted interleague play in 1997.

It’s still the Vedder Cup -- only now, it’s official. For years, games between the Padres and Mariners have been informally known as “The Vedder Cup” -- a reference to Pearl Jam front man and Rock & Roll Hall of Famer Eddie Vedder,

Musician Eddie Vedder can call many places home. He was born in Evanston, Ill., where he obtained his Chicago Cubs fandom. He spent much of his adolescence in San Diego, and his band Pearl Jam is among the quintessential Seattle groups.

It took a Long Road to get here. Baseball fans in Seattle and San Diego whose Wishlist has included seeing an informal nickname for the rivalry series between the Padres and Mariners become official can now Smile.

As part of the new initiative, the Mariners and Padres will make donations to EB Research Partnership, a non-profit co-founded by Vedder and his wife Jill to further research into the skin disease Epidermolysis Bullosa (EB),

The Mariners and Padres are teaming up with Eddie Vedder for the annual Vedder Cup starting this season. Find out more about the rivalry.

The victor in the annual series between the Padres and Mariners will now win the Vedder Cup, a trophy designed by Pearl Jam lead singer Eddie Vedder.