WWE has pointed out that only four men have been the lead commentator at WrestleMania: Vince McMahon, Gorilla Monsoon, Jim Ross and Michael Cole. Tonight, Tom Phillips will be #5.
Only 4 men have called Lead at #WrestleMania: Vince, Gorilla, JR & Cole. Tonight a 5th joins…congrats @TomPhillipsWWE! pic.twitter.com/57aqwsdX2v
— WWE (@WWE) April 2, 2017
Joey Styles actually called ECW matches at WrestleMania in 2007 and 2008, however.
Here is a chart via Wikipedia (click the image to see a larger version):

MJF on AEW is “Killing It” With Him as AEW World Champion, Upcoming Match with Hangman Page, His Belief Deathmatch Wrestling is “Hack, Very Indie And Trash”, Older Wrestlers Continuing To Wrestle Into Their 50s And 60s, & His Meeting with Seth Rollins
Mike Santana Opens Up About His Current Mental Health Struggles
AEW Revolution 2026 Media Scrum: Potential of MyAEW Being Used Domestically, Khan’s Praise of Paramount’s WBD Acquisition Deal & Would Love To Be on Same Channel as UFC, Samoa Joe’s Injury Recovery, Brody King, ROH’s New Home in Jacksonville & Future TV Deal, & Big Boom AJ




