According to Hillary Chabot, conservatives are backing Baker.
Bay State hardline conservatives are begrudgingly backing Gov. Charlie Baker for re-election in 2018 despite his vocal rejection of President-elect Donald Trump during the campaign — saying the moderate Republican is still better than a Democrat in the Corner Office.
It appears to me that she isn’t presenting the full range of options available to conservatives in a hypothetical 2018 matchup. Below is a poll that includes an additional option.