Cooper Grashorn went 3-for-4 with a double and RBI to lead the Lake Superior Sea Dogs to a 7-4 Upper 13 League victory over the Iron City Miners on Sunday in Mellen, Wis.

Jesse Olson tossed 6 1/3 innings to get the win, allowing three earned runs on 10 hits, with two strikeouts and three walks. Seth Anderson picked up the save.

Carson Wenger added three runs for Lake Superior (6-2 in league play), while Will Lee paced the Miners (3-5) with three hits.