The Oklahoma State wrestling team sits in second place with 13.5 points, advancing eight wrestlers to the second round of the championship bracket. The Pokes trail Penn State (16.5 points) in the team race for first.
The Cowboys picked up four bonus-point wins in the first session, including a second-period fall for Tyler Caldwell.
First up for the Pokes, Blake Rosholt wrestled Mario Gonzalez of Illinois in the 197-pound pigtail match, where he was outlasted by Gonzalez, falling 10-3. Rosholt will wrestle in the consolation bracket in session two.
Sophomore and 14th-seed Eddie Klimara earned a 6-4 decision over Dominic Parisi of Appalachian State at 125 pounds.
No. 4 seed at 133 pounds Jon Morrison started off his final NCAA tournament with a 4-0 shutout over Penn State's James Gulibon. It was Morrison's third win over the Nittany Lion this season.
True freshman Anthony Collica made his NCAA Championships debut as the No. 15 seed, defeating Utah Valley's Avery Gardner, 10-6.
Returning to the tournament after taking a redshirt last season, Josh Kindig, the 11th seed at 149 pounds, handled Ohio State's Ian Paddock, earning a 9-4 decision.
Alex Dieringer ended his bout in five minutes with an 18-1 technical fall over Drexel's Austin Sommer, earning the Pokes' first bonus-point victory of the day.
Caldwell and Chris Perry followed with bonus-point wins at 165 and 174 pounds, respectively, with Caldwell sticking Utah Valley's Curtis Cook in 3:36 and Perry earning an 8-0 major decision over Scott Liegel of Wisconsin.
Nolan Boyd suffered the Cowboys' second loss of the day, falling to 7th-seed Kevin Steinhaus of Minnesota. He will continue in the consolation bracket.
Heavyweight Austin Marsden capped off the session with more bonus points for the Pokes, snatching a 10-2 major decision over Nebraska's Collin Jensen.
The second session begins at 6 p.m. CT at Chesapeake Energy Arena.
1. Penn State – 16.5 points
2. Oklahoma State – 13.5 points
T3. Edinboro – 11 points
T3. Minnesota – 11 points
5. Nebraska – 9.5 points
T6. Cornell – 9 points
T6. Iowa State – 9 points
T6. Oregon State – 9 points
T10. Iowa – 8.5 points
T10. Wisconsin – 8.5 points
197: Mario Gonzalez (ILL) dec. Blake Rosholt (OSU), 10-3
Championship First Round
125: No. 14 Eddie Klimara (OSU) dec. Dominic Parisi (APPST), 6-4
133: No. 4 Jon Morrison (OSU) dec. James Gulibon (PSU), 4-0
141: No. 15 Anthony Collica (OSU) dec. Avery Gardner (UVU), 10-6
149: No. 11 Josh Kindig (OSU) dec. Ian Paddock (OHST), 9-4
157: No. 3 Alex Dieringer (OSU) TF Austin Sommer (DREX), 18-1, 5:00
165: No. 2 Tyler Caldwell (OSU) fall Curtis Cook (UVU), 3:36
174: No. 1 Chris Perry (OSU) MD Scott Liegel (WISC), 8-0
184: No. 7 Kevin Steinhaus (MINN) dec. Nolan Boyd (OSU), 5-0
285: No.11 Austin Marsden (OSU) MD Collin Jensen (NEB), 10-2
Championship Second Round Schedule
125: No. 14 Eddie Klimara (OSU) vs. No. 3 Nico Megaludis (PSU)
133: No. 4 Jon Morrison (OSU) vs. No. 13 Cody Brewer (OU)
141: No. 15 Anthony Collica (OSU) vs. No. 2 Logan Stieber (OHST)
149: No. 11 Josh Kindig (OSU) vs. No. 6 Jake Sueflohn (NEB)
157: No. 3 Alex Dieringer (OSU) vs. No. 14 Joey LaVallee (MIZZOU)
165: No. 2 Tyler Caldwell (OSU) vs. No. 15 Danny Zilverberg (MINN)
174: No. 1 Chris Perry (OSU) vs. Tony Dallago (ILL)
285: No. 11Austin Marsden (OSU) vs. No. 6 Michael McMullan (NW)
Consolation First Round Schedule
184: Nolan Boyd (OSU) vs. Kurtis Julson (NDSU)
197: Blake Rosholt (OSU) vs. Zach Nye (UVA)