26-date outing to start June 1.

Def Leppard and Bryan Adams are teaming up for a summer tour of minor league baseball parks.

The 26-date "Rock 'N Roll Double-Header" tour starts June 1 at Portland, Ore.'s PGE Park and runs through Aug. 10 at Lansing, Mich.'s Oldsmobile Park.

At each stop, a stage will be set up in the outfield; fans can sit on the field or in the stands. Tickets are $45. Some markets will go on sale this Saturday (March 12).

The tour is promoted by Jam Productions. Def Leppard is booked by Writers & Artists Group International; Adams is booked by International Creative Management.