Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Bjo rn Rune Borg ( -RSB- ; born 6 June 1956 ) is a Swedish former world No. 1 tennis player widely considered to be one of the greatest players in the history of the sport .
Bjo rn Borg ( born June 6 , 1956 ) is a retired professional tennis player from Sweden .