Honestly, in regards to Arizona, who votes for a Republican governor and also a Democrat Senator. Most people vote straight ticket.
>The 2016 election saw the highest percentage of STRAIGHT-ticket voters in more than a century — literally 100 percent of states holding Senate elections voted for the same party for Senate as for president.
https://www.washingtonpost.com/news/the-fix/wp/2016/11/17/is-split-ticket-voting-officially-dead/?utm_term=.9d1b421029d8