By Dan Lyons The Big 12 grant of rights currently ties the schools to the league until 2025. The Big 12’s grant of rights originally was expected to keep Texas and Oklahoma in the league until 2025, when they are set to leave for the SEC. However, according to new reports, there is real momentum towards the two sides reaching an agreement that would see the two schools departing the conference a year early. The Action Network first reported that the two schools are engaged in discussions with the Big 12 about an early move. The Athleticquotes an unnamed Big 12 school official as saying the two…