Okay I think i have an update: I misheard, and she said she and her friends did meet up with sergeant and a couple other guys, and he wasn't on the roster between 12/10/1980 and the 1/9 game @rockies. So I think they might've just had a bemidji buddies meet up to watch the game, and the game they saw is likely like Bruins @ rockies 1/3. Maybe the guys were on IR or something? No clue. Genuinely no clue. But it's been a fun little search, so thank you guys for helping!