Tulsa (3-9 last season) at No. 18 Michigan State (7-6), Friday at 6:05 p.m. Central (FS1). Line: Michigan State by 23. Series record: First meeting. WHAT’S AT STAKE? It’s the first chance for Michigan State to show off any offensive improvements after the Spartans scored only 32 points in their last four games last season. The Spartans shuffled roles around among offensive assistants, and…