April 25, 2016 Wrestling Observer Newsletter: Conor McGregor announces retirement, TNA sale imminent

In just three sentences, the entire world of MMA may have changed.

UFC was planning its biggest set of shows in history, built around a Conor McGregor vs. Nate Diaz fight, which was expected to be the biggest money event in company history.

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Dave Meltzer
Dave Meltzer

Dave Meltzer is the founder and lead writer on the Wrestling Observer Newsletter, the weekly constant when it comes to news and reviews in pro wrestling and mixed martial arts for more than 40 years. Dave also co-hosts Wrestling Observer Radio with Bryan Alvarez and had had bylines for The National, Yahoo Sports, MMA Fighting and others.