Complex sentence: The continued losing and uninspired play of the Rams further reduced the Rams fan base, which by 1994 had withered to the point where they were barely part of the Los Angeles sports landscape.
Split into simpler sentences: The continued losing and uninspired play of the Rams further reduced the Rams fan base. By 1994, support for the Rams had withered to the point where they were barely part of the Los Angeles sports landscape.