 "Tennis on USA" aired professional tournaments in the United States from 1984 to 2008, and was the longtime cable home of the US Open before its cable television rights moved to ESPN2 and the Tennis Channel in 2009.The "PGA Tour on USA" covered the opening two rounds of the Masters Tournament from 1982 to 2007, Ryder Cup matches from 1989 to 2010, and various other events.The USA Network aired most games of the World League of American Football (later NFL Europe) in its first two seasons of operation in 1991 and 1992; one innovation introduced for the network's WLAF telecasts was the in-helmet camera.