Alex Pereira puts his light heavyweight title on the line at UFC 313. Familiarize yourself with the Vegas PPV, including tickets, time and date, full card, and more.

Q. Who has the longest number 1 ranking in men's tennis? - + A. Novak Djokovic has a record of holding No. 1 for a record total of 428 weeks. Q. Who has won the most Grand Slam titles in a tennis ...