By Alek Arend There’s a new disturbing development in the Tua Tagovailoa concussion protocol situation. Tagovailoa was evaluated by an unaffiliated neurotrauma consultant following the Dolphins’ win over the Bills in Week 3. That consultant reportedly made “several mistakes” during the evaluation. The individual has been fired, as a result. “I’m told the unaffiliated [neurotrauma] consultant involved in Tua Tagovailoa’s concussion test last Sunday was fired after the NFLPA found the person made several mistakes, per source,” said Cameron Wolfe on Twitter. A stunning development in the Tua Tago…