John McEnroe is known for his rivalry with Swedish person.
Björn Rune Borg ( [ bjœːɳ bɔrj ] ; born 6 June 1956 ) is a Swedish former world No. 1 tennis player widely considered to be one of the greatest in tennis history . John McEnroe . McEnroe is known for his shot-making artistry and volleying skills ; for his rivalries with Björn Borg , Jimmy Connors and Ivan Lendl ; and for his confrontational on-court behavior , which frequently landed him in trouble with umpires and tennis authorities .