Top-ranked Union entered its Class 6AI quarterfinal playoff game knowing Edmond Santa Fe had a good, yet young, team.
So the Redskins simply ground out an old-fashioned 28-3 win by using its always-stellar defense and an ever-improving running game.
Union will face Broken Arrow in the semifinals.
Darius Boone Jr. ran for 326 yards on 37 carries and three touchdowns behind his big offensive line.
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