A History of Short Words

From the New York Times Crossword Puzzle

MMA

Tue, 7 Dec '21
U.F.C. sport
Sat, 13 Nov '21
Sport with a big pay-per-view audience, in brief
Mon, 6 Sep '21
Combat sport on pay-per-view, in brief
Sun, 20 Jun '21
U.F.C. fighting style