The Spartans' victory makes Mel Tucker only the program's second coach to win his debut vs. Michigan.
Bostic was ejected from last week's game after he hit Dalton in the head as the Cowboys QB was sliding to the turf.
Ohio State and Penn State will meet in a Big Ten clash at Beaver Stadium on Saturday night.
Rookie Ben DiNucci will start for Dallas on Sunday.
The Tampa Bay Rowdies and Phoenix Rising will keep their titles as conference champions, but there will be no USL Cup champion in 2020.
The candidate for catch of the year came after a nifty fake field goal by Boston College's John Tessitore.