According to Vegas Insider, the game opened with the Cowboys as a 15-point favorite with an over-under of 66. As of today, the Cowboys favor has dipped by one point, and the over-under is down to 63.
OSU is coming off back-to-back 56-point outings, though they put all of their points up in three quarters against McNeese.
Tulsa followed up a 7-point, 80-yard outing (loss) at Michigan State with a 34-point, 539-yard win at San Jose State.
Through two games, OSU is 2-0 at covering the spread after a 16-point road win over Oregon State (they were favored by 13.5 before kick-off) and a 42-point win over McNeese (they were favored by 37.5).
Oklahoma State has covered five of its last six games ATS. Through two games this season, Tulsa is 1-0 as a favorite and 1-0 as a dog (Michigan State was a 22-point favorite).