Phil Scott (R) had a large margin winning the Vermont governorship in 2016, moving the 2018 Vermont governor race from tossup to likely republican.
Kate Brown (D)'s victory in the Oregon governor special election in 2016 was by a smaller margin, moving the 2018 Oregon governor race from likely to lean democrat.
Chris Sununu (R)'s margin in winning the New Hampshire governor in 2016 was small (president and senate in New Hampshire were even closer), keeping the 2018 New Hampshire governor race at tossup.
Kate Brown (D)'s victory in the Oregon governor special election in 2016 was by a smaller margin, moving the 2018 Oregon governor race from likely to lean democrat.
Chris Sununu (R)'s margin in winning the New Hampshire governor in 2016 was small (president and senate in New Hampshire were even closer), keeping the 2018 New Hampshire governor race at tossup.