Roland has 4 TDs as No. 19 Oklahoma State runs past Iowa State 58-27

Oklahoma State cornerback Justin Gilbert (4) makes his way into the end zone for a touchdown after picking off a pass from Iowa State quarterback Sam B. Richardson (12) during the first half of an NCAA college football game in Ames, Iowa Saturday, Oct. 26, 2013.(AP Photo by Justin Hayworth) (The Associated Press)

Desmond Roland ran for a career-high 219 yards and four touchdowns and 19th-ranked Oklahoma State routed Iowa State 58-27 on Saturday for its third straight win.

Quarterback Clint Chelf had 163 total yards in his second start of the season for the Cowboys (6-1, 3-1 Big 12), who ran for a season-high 342 yards.

Oklahoma State scored 14 points in a 2-½ minute stretch late in the third quarter to extend its lead to 45-20. Roland ran 58 yards for his third touchdown of the day, and Tyler Johnson took a fumble 54 yards for a TD with 4:17 left in the third.

Sam Richardson had 95 yards passing and a touchdown for Iowa State (1-6, 0-4) before leaving the game late in the first half after an apparent blow to the head.