The Undertaker pulled off a controversial win over Brock Lesnar at Sunday 's SummerSlam pay - per - view .
Once again , the Undertaker walked away from a match with the Beast Incarnate worse for wear .
The Undertaker pulled off a controversial win over Brock Lesnar at Sunday 's SummerSlam pay - per - view , but once again , the Deadman walked away from a match with the Beast Incarnate worse for wear .