1994: Natural grass replaces the artificial turf, which had been replaced before the 1981 season.
April 1995: Construction of west-side suites begins.
1998: Capacity is decreased to 72,765 as disability seating is added.
April 1999: The Barry Switzer Center, housing new locker rooms, coaches offices, strength and conditioning facilities and a sports medicine facility, opens.
2002: A plan is implemented to renovate the stadium in phases, including replacing all stadium seating, expanding and renovating north end athletics offices and adding east side suites and an upper deck. The cost of the first phase is $75 million. The second phase ($9 million) includes another level of suites, expansion and renovation of the Santee Lounge and club seats, amenities on the wast concourse and expansion of team meeting rooms in the Switzer Center. Phase III ($12 million) included amenities on the west side, expansion and improvement to the coaches’ office and Legends Lobby of the Switzer Center.
2003: The east upper deck is complete and capacity goes up to 81,207.
2004: The east-side suites are completed, bringing capacity to its current 82,112.
2009: The final phase ($15 million) of the 2002 plan is finished. It includes upgrades to the locker room, meeting and training facilities and expansion of technology-driven enhancements including SoonerVision studio and production facilities within the stadium.