WWE confirmed Rusev’s injury with this statement:
“Rusev sustained a proximal bicep tendon rupture during his match with Neville at the WWE Main Event tapings Tuesday night, WWE.com can confirm. The match was called due to the injury, and the former U.S. Champion’s recovery time is currently slated at three to four weeks.”
Rusev himself commented with the following tweet:
I guess my biceps are too big for its tendons. #illbeback
— Miro (@ToBeMiro) October 29, 2015