Here’s a look at other female officials who were the first on the floor, court or the field in prominent men’s leagues. Sarah Thomas is part of a growing number of women officiating at the highest level of men’s sports leagues. Palmer worked that night with Bill Oakes and Mark Wunderlich. NHLThe NHL has yet to have a female on-ice official for a regular season or Stanley Cup playoff game. The first all-female referee team makes history at the World Cup History is made as the first all-female referee team officiates the World Cup match between Costa Rica and Germany.