The road to the men's College World Series will start at 16 regional sites around the country, and both Eugene and Corvallis have been selected as hosts.
The Eugene Regional and the Corvallis Regional both begin Friday, May 30.
The Ducks and Beavers will learn their seeding and what other teams will make up their regionals when the bracket is released on the selection show Monday at 9 a.m.
While the Ducks have not announced ticket sale dates and times, all-session tickets for the Corvallis regional go on sale Monday at 11 a.m.
Oregon State says if single-session tickets are available, they will go on sale at 9 a.m. the day of the game.