Penn State held a team point differential of 88-0 across 20 bouts.
Penn State wrestling has not lost a dual in nearly six years.
Coleman received the "green light" to burn his redshirt as a true freshman by former head coach James Franklin.
Before Clanton joined Campbell's staff in Ames, the Cyclones averaged just 108 yards per game.
Washington has appeared in at least 10 games a season in three years with the program.
Both true freshman starters have cracked the top 10 for the first time this season.