Earlier, Trace McSorley threw two touchdown passes, the second of which made him the program's all-time career touchdown passes leader with 39. Penn State's forecast remains gloomy.
The game, which began at noon, went into a weather at 1:15 p.m., midway through the second quarter, and didn't resume until 4:38 p.m.More news: Unemployment Rate Falls to Lowest Point Since December 2000
Michigan State inched up the field and ate four minutes off the clock before calling a timeout to set up the game-winning field goal with four seconds left.
Michigan State responded with a 7-yard touchdown pass from Lewerke to Darrell Stewart Jr. for the first first-quarter touchdown Penn State allowed all season. When it restarted, Michigan State faced third-and-4 from Penn State 37-yard line with 7:58 to play in the first half.
Quarterback is a feature position for both teams. Davis had an impressive run-after-the catch for a 36-yard gain, true freshman Hunter Rison had back-to-back first-down grabs and LJ Scott scored on a 3-yard run for a 21-14 advantage. After eight plays, the Nittany Lions were faced with a decision. Penn State head coach James Franklin was then seeing running around the field and rounding up some of his players to keep them from exiting Spartan Stadium.More news: Rahul Gandhi doesn't even have 'primary knowledge', says PM Modi
The Lions lost a one-point heart breaker at Ohio State last week while the Spartans went three overtimes in their loss at Northwestern.
"Our policy here is: Lightning 20 miles out, we put up the announcement to voluntarily leave the stadium, 15 miles out, we take the teams off the field and clear the stadium", said Greg Ianni, Michigan State's deputy athletic director.More news: Health care enrollment counselors facing stiff challenges