Antonio Smith scored 17 points and had 12 rebounds while reserve Morris Peterson added 14 points Saturday as No. 16 Michigan State stayed atop the Big Ten standings with a 75-64 win over No. 24 Iowa.
The Spartans (17-4, 10-1 Big Ten) have won eight straight as Iowa (16-7, 5-5) lost for the fifth time in six games.
The Hawkeyes scored the first basket of the second half to cut Michigan State's three-point halftime lead to 34-33, but the Spartans answered with a 19-5 run to lead 53-38 with 12:43 left. Michigan State's depth showed during the spurt as eight players combined for the 19 points.
A 9-0 run by Iowa, capped by Darryl Moore's 3-pointer with 3:46 left, cut the Spartans' lead to 63-60. But Michigan State responded with an 8-0 run, capped with a dunk by DuJuan Wiley off a pass from Peterson with 1:09 left to put the Spartans ahead 71-60.
Michigan State had a 45-22 advantage in rebounding and shot 50 percent from the field to Iowa's 39 percent.
The Spartans' biggest lead of the first half was 22-15 with about eight minutes left after a 7-0 run triggered by a 3-pointer from Peterson.
Iowa cut the margin to 25-24 on J.R. Koch's 3 with 4:28 to go, but Michigan State answered with baskets by Jason Klein and Charlie Bell to push the lead back to five.
Michigan State got a scare with 11:48 left in the first half when point guard Mateen Cleaves fell out of bounds chasing a loose ball. He laid on the floor for several minutes before leaving under his own power. He returned to the game with 8:10 to go in the half.
Iowa lost Ryan Bowen, who leads the Hawkeyes in rebounding, is second in scoring and is the Big Ten steals leader. Bowen sprained his left knee three minutes into the game and returned briefly in the second half.
Freshman Ricky Davis led Iowa with 18 points and Kent McCausland added 11.
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