COLUMBUS, Ohio (AP) — Tyson Walker scored 23 points and No. 7 seed Michigan State beat second-seeded Marquette 69-60 in the second round of the NCAA Tournament, sending coach Tom Izzo’s squad back to the Sweet 16 for the first time in four years. Marquette transfer Joey Hauser had 14 points for the Spartans and A.J. Hoggard had as 13 Michigan State took over in the last three minutes. The Spartans advanced to play third-seeded Kansas State in the East Region semifinals on Thursday at New York’s Madison Square Garden. The 68-year-old Izzo won his record 16th March Madness game with a lower-seeded team and reached his 15th regional semifinal. Olivier-Maxence Prosper led Marquette with 16 points.