split the ticket
To vote for candidates from more than one political party for different roles in public office. It has become increasingly uncommon for voters to split the ticket by voting for candidates from both parties.
split the ticket (or your vote)
vote for candidates of more than one party. USsplit the ˈticket
(American English, politics) vote for candidates from more than one party: Election officials are reminding voters that they may ‘split their ticket’ in the November election, unlike a state primary election.