STILLWATER, Okla. (AP) Last year as a freshman, Brock Purdy was Iowa State's third-string quarterback when he stepped on the field for his first meaningful action and he delivered a big win against Oklahoma State.

Now, Purdy is an established star for No. 23 Iowa State (5-2, 3-1 Big 12) and neutralizing him will be a major challenge for Oklahoma State (4-3, 1-3) when the teams meet again in Ames on Saturday.

Heading into last season's contest, Oklahoma State was 4-1 and ranked No. 25 while Iowa State was 1-3. Due to injuries at the QB position, Purdy finally got on the field for the game's second series and was a revelation, completing 18 of 23 passes for 318 yards and four touchdowns while also rushing for 84 yards and a score. The Cyclones pulled off the 48-42 upset.