A huge list of country stars, country music personalities, Tennessee Titans players and NASCAR drivers have signed on for Nashville's Lynnco Custom Cycles "17th Annual City of Hope Celebrity Softball Challenge." The two teams are Grand Ole Opry Live and After MidNite with Blair Garner.

For the Grand Ole Opry Live team: Amy Dalley, Carrie Underwood, Chely Wright, Cole Deggs, Craig Morgan, Dusty Drake, Luke Bryan, Nan Kelley, Storme Warren, Trick Pony, Two Foot Fred, Vince Gill, Craig Hentrich, Rob Bironas and Robert Reynolds.

For the After MidNite with Blair Garner team: Blue Country, Emerson Drive, The Hackers, Jake Owen, Jason Michael Carroll, Keith Anderson, Keni Thomas, Lee Brice, Linda Davis, Rodney Atkins, Shane Huffman, Ken Amato, Daniel Loper and Donnie Nickey.

The game will be presented by Gibson Guitars on Thursday, June 7 at 1 p.m. and tickets are available here for $18.

Also, an online auction begins June 7 featuring items from country stars and other collectibles. To bid, go here.