Sep 23, 2017; East Lansing, MI, USA; Notre Dame Fighting Irish running back Dexter Williams dives into the end zone for a touchdown as Michigan State Spartans linebacker Antjuan Simmons and cornerback Josiah Scott defend in the second quarter at Spartan Stadium.

Looking back at what happened in Michigan State’s 38-18 loss to Notre Dame and a look ahead to next week’s Big Ten opener at home against Iowa.Three things we learnedTurnover turmoil: The Spartans’ three turnovers, which led to three Notre Dame touchdowns, stuck out “Like a big, sore thumb” according co-offensive coordinator Dave Warner.

Third-down fluctuations: MSU entered the game as the nation’s best defense on third down, having allowed a 10.7% conversion rate through two games.

More: ‘We’re not broken;’ Mistakes doom Michigan State in loss to Notre Dame.More: Michigan State report card: Offensive errors costly in Notre Dame loss.

Iowa entered Big Ten play after wins over Wyoming, Iowa State and North Texas.

Three things to watchResiliency tested: When Notre Dame’s Julian Love picked off Brian Lewerke and ran it back for a TD, MSU’s sophomore QB immediately led the Spartans on a scoring drive to answer.