Derrick Lewis explains why he threw his cup into the crowd after UFC St. Louis

Derrick Lewis sent a message to all his doubters.

On Saturday, Lewis knocked out Rodrigo Nascimento in the main event of UFC St. Louis. The win was Lewis’s fifteenth knockout in the UFC, extending his own record for most in the promotion’s history, and afterward, “The Black Beast” performed his now customary post-win ritual of taking off his pants. But this time, Lewis added another step to the celebration by also...