Duluth Marshall rode a strong starting pitching outing from Mason Park to a 2-0 road win at Thief River Falls on Saturday. Park threw 6 ⅔ scoreless innings, allowing four hits and striking out seven. Aaden Westerbur came in and, after working around an error, closed out the Prowlers. Marshall took the lead in the second inning on Evan Lammi’s RBI single, then got a key insurance score in the top of the seventh after Easton Grumdahl recorded an R…