WWE confirmed one match and mostly confirmed a WWE World Heavyweight Title match for Summerslam 2015.
This year WWE is looking to make Summerslam an extra special PPV with a full weekend of events, including an Major NXT special and full weekend of events.
Brock Lesnar vs. The Undertaker
WWE World Heavyweight Title
Seth Rollins (c) vs. John Cena
Not confirmed, but Sting is expected to be on the card in a likely multiple man match with the Shield against the Wyatts.