December 31, 1977 in Sport

Day of the Week: Saturday

Events in Sport

  • 66th Men's Australian Open: Vitas Gerulaitis beats John Lloyd (6-3, 7-6, 5-7, 3-6, 6-2)
  • 66th Women's Australian Open: Evonne Goolagong Cawley beats Helen Gourlay Cawley (6-3, 6-0)

Birthdays in Sport

  • Wardy Alfaro, Costa Rican footballer