It was unlikely the Nevada State Athletic Commission would OK the fight after it temporarily suspended Alvarez, who could face a longer suspension.
Alvarez is to appear before the commission April 18 concerning the positive tests. Golden Boy President Eric Gomez said Tuesday the promoters were advised Alvarez likely would not be cleared to fight May 5.
MGM said reservations have been refunded in full. Fans can expect a credit to be issued by their banking institution in seven to 10 business days. Anyone with questions can contact AXS Contact Center at 888-929-7849.
Copyright 2018 Associated Press. All rights reserved. Copyright 2018 KVVU (KVVU Broadcasting Corporation). All rights reserved.