EAST LANSING, Mich. —

Coen Carr had nine of his 15 points in the second half after Jeremy Fears Jr. scored 10 of his 14 points in the first half, helping No. 7 Michigan State remain unbeaten with a 71-52 win over Iowa on Tuesday night in the Big Ten opener for both teams.

The Spartans (8-0, 1-0 Big Ten) will play No. 4 Duke at home on Saturday.

Michigan State is off to its best start in a decade and has three wins against AP Top 25 teams: North Carolina, Kentucky and Arkansas.

The Hawkeyes (7-1, 0-1) were undefeated under first-year coach Ben McCollum until they ran into one of the hottest teams in college basketball.

Iowa's Bennett Stirtz, who entered averaging nearly 19 points per game, was held to four points in the first half and finished with 14 on 4 of 10 shooting. None of his t

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