 During the season he played 2nd base (27 games, 17 starts), center field (24 G, 20 GS), 3rd base (23 G, 5 GS), 1st base (22 G, 4 GS), left field (18 G, 15 GS), right field (11 G, 9 GS), shortstop (10 G, 9 GS), pitcher (2 G), and catcher (1 G).On November 2, 2017, Romine was claimed off waivers by the Seattle Mariners.In 2018 with Seattle he batted .210/.260/.244 with 2 RBIs and one stolen base in 119 at bats, while playing every position but catcher.