John McEnroe on Colbert! Him and his BIG MOUTH! Winnipeg, MB, Canada / 94-3 The Drive - Winnipeg's Greatest Hits Tom & Kerri June 28, 2017 07:06 am John was on the record for saying that Serena Williams would be ranked in 700th place if she were a male tennis player! We all know he’s got a big yapper…..but come on! Check out how Colbert grills him!