The Nuclear Cowboyz are at Verizon Arena Friday and Saturday.

  • The Nuclear Cowboyz are at Verizon Arena Friday and Saturday.

The freestyle motocross madmen known as the Nuclear Cowboyz bring death-defying feats — all tied together with a post-apocalyptic narrative — to Verizon Arena Friday and Saturday night, 7:30 p.m., $17-$129.