Answer: BJORN

AnswerCrossword Clue
BJORNTennis star Borg
BJORNTennis rival of Jimmy and John
BJORNFive-time Wimbledon title holder
BJORNRival of John and Jimmy
BJORNTennis' Borg
BJORNBorg or Ulvaeus
BJORNTennis's Borg
BJORN"Mamma Mia!" Tony nominee Ulvaeus
BJORNAbba member Ulvaeus
BJORNSwedish name that means "bear"
BJORNTennis great Borg
BJORNRival of Ilie and Jimmy
BJORNCourt star Borg
BJORNBenny's ABBA buddy
BJORNBackhander Borg
BJORNFoe for Ilie
BJORNBorg of tennis
BJORNTennis champ Borg
BJORNFoe of Ilie
BJORNHe was inducted into the International Tennis Hall of Fame the same year as Billie Jean
BJORNABBA singer Ulvaeus