Michael Irvin discloses biopsy taken on throat Unknown 00:15 The Hall of Fame wide receiver says he has been experiencing problems with his throat since November. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsFIFA World Cup 2018: Egypt coach Hector Cuper banking on Mohamed Salah's Liverpool form at Russia eventFIFA World Cup 2018: Veteran defender Sergei Ignashevich replaces injured Ruslan Kambolov in Russia's 28-man squadFIFA World Cup 2018: Luka Modric, Mario Mandzukic leading names in Croatia's 32-man preliminary squadFIFA World Cup 2018: Peru captain Paolo Guerrero to miss tournament over CAS doping banJuventus legend Gianluigi Buffon to hold press conference on Thursday, expected to announce retirementFIFA World Cup 2018: Nigeria include uncapped Simeon Nwankwo, Junior Lokosa in provisional 30-man squad