WWE Factions That Went To War, John Cena vs. Brock Lesnar

— With D-Generation X and The Kliq coming face-to-face with The O.C. at Raw Reunion, check out these 10 brawls between popular WWE factions.

— At SummerSlam 2014, Brock Lesnar took WWE World Heavyweight Champion John Cena to Suplex City in a brutal battle. Courtesy of the WWE Network, you can watch this match in its entirety.