Complex sentence: He was also set to defend his title against Tozawa for the second time at SummerSlam until the August 14 episode of Raw where Neville lost the championship to Tozawa, ending his record setting reign at 197 days and making a role reversal as Neville became the challenger.
Split into simpler sentences: He was also set to defend his title against Tozawa for the second time at SummerSlam. On the August 14 episode of Raw however, Neville lost the championship to Tozawa, making a role reversal as Neville will now be the challenger.