With support from Pearl Jam frontman Eddie Vedder, the Mariners and Padres announced Friday that the two “natural rivals” will formally compete for the Vedder Cup.

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),

Fans had called yearly interleague matchup between the Padres and Mariners the “Vedder Cup” as a nod to Pearl Jam frontman Eddie Vedder, who lived in San Diego as a kid and later moved