Donald Trump has plenty of support from one of the NFL’s top teams.The San Francisco 49ers have the most registered Republican voters, a new study reveals. Albert Breer on Bills Weapons, AFC West Outlook, 49ers Roster San Francisco is one of the most liberal cities in the United States. In fact, the city has voted Democratic in every United States presidential election since 1960. Republican Dwight D. Eisenhower won San Francisco over Democratic nominee Adlai Stevenson II, en route to an easy victory in the election. But in terms of players who are registered Republican voters? The San Francisco 49ers...