AP PHOTO - Iowa State’s Jaden Walker (21) drives against Oklahoma State’s Matthew-Alexander Moncrieffe (12) during the first half of their Big 12 Conference basketball game Tuesday in Stillwater, Okla.

STILLWATER, Okla. — Cade Cunningham had 21 points, five rebounds and seven assists, Matthew-Alexander Moncrieffe added 17 points and Oklahoma State closed on a 9-0 run to beat Iowa State 76-58 on Tuesday.

Oklahoma State had its lead trimmed to 53-47 with 11:43 remaining on Rasir Bolton’s three-point play. But Iowa State would only make one more field goal the rest of the way — another three-point play by Bolton at 5:57.

Cunningham and Kalib Boone combined to made 14 of 20 field goals for Oklahoma State, while Iowa State was held to 19-of-57 shooting (33.3%).

Boone finished with 15 points for Oklahoma State (14-6, 7-6 Big 12 Conference). The Cowboys won their fourth straight in the series, their longest since 2009-11.

Cunningham, averaging 18.5 points per game as a freshman, scored 15 points on 6-of-8 shooting in the first half — including three 3-pointers. He also had four rebounds and four assists. The Cowboys shot 50% in the half to help build a 42-30 lead.

Jalen Coleman-Lands scored 17 points and Bolton had 15 points and six rebounds for Iowa State (2-15, 0-12).

Both teams were scheduled to face top-10 opponents this weekend, but Oklahoma State’s game against No. 2 Baylor was postponed. Iowa State is set to play No. 9 Oklahoma on Saturday.

Oklahoma St. 76, Iowa St. 58

IOWA ST. (2-15) — Johnson 4-13 0-0 9, Young 1-5 4-4 6, Bolton 6-14 2-3 15, Coleman-Lands 5-11 4-5 17, J.Walker 0-6 2-2 2, Jackson 2-3 2-2 7, Conditt 1-3 0-0 2, T.Harris 0-2 0-0 0. TOTALS 19-57 14-16 58.

OKLAHOMA ST. (14-6) — Ka.Boone 7-8 1-2 15, Anderson 3-11 2-2 8, Cunningham 7-12 3-4 21, R.Walker 3-5 1-2 10, B.Williams 0-2 1-2 1, Moncrieffe 8-14 3-3 19, Flavors 0-5 0-0 0, Kouma 1-3 0-0 2. TOTALS 29-60 11-15 76.

Halftime–Oklahoma St. 42-30. 3-Point Goals–Iowa St. 6-23 (Coleman-Lands 3-9, Jackson 1-2, Bolton 1-3, Johnson 1-5, T.Harris 0-2, J.Walker 0-2), Oklahoma St. 7-19 (Cunningham 4-6, R.Walker 3-4, Anderson 0-2, B.Williams 0-2, Flavors 0-5). Rebounds–Iowa St. 26 (Johnson 7), Oklahoma St. 34 (Moncrieffe 8). Assists–Iowa St. 9 (Johnson 3), Oklahoma St. 20 (Cunningham 7). Total Fouls–Iowa St. 14, Oklahoma St. 14. A–3,350 (13,611).