When the fourth season of LIV Golf teed off Thursday in Riyadh, Saudi Arabia, there was a notable change to the league's normally laid-back look. The players weren't wearing shorts despite the heat of the desert.

One of LIV Golf's many early selling points was that the players would be allowed to wear shorts, something the PGA Tour only conceded on for practice rounds in the last few years. But on LIV, you could ditch the trousers anytime,

There are plenty of changes on LIV as the golf league will begin its fourth season Thursday. One change, however, is quite a surprise. According to LIV's newest on-course analyst, Pat Perez, LIV golfers will no longer be allowed to wear shorts on the course.