5x3 Card signed with blue ink by Bjorn Borg. In good condition. Björn Rune Borg (born 6 June 1956) is a Swedish former world No. 1 tennis player. Between 1974 and 1981, he became the first man in the Open Era to win 11 Grand Slam singles titles (six at the French Open and five consecutively at Wimbledon), but he never won the US Open despite four finals appearances. He is the first male player to win five Wimbledon titles in the Open Era.Comes with a full Letter of Authenticity from Todd Mueller Authentics.