As Oklahoma enters the NCAA tournament and chases what would be an historic fourth consecutive national title, there’s been undeniable pressure to perform. Senior shortstop Tiare Jennings, one of the top players in the country, is no exception. And head coach Patty Gasso discussed how a bit of a mindset shift has helped Jennings let the pressure fall away during the later stages of the season. Now that the NCAA tournament is here, she can zero in on one last run at a national title. “And Tiare’s commitment is ‘I am going to leave all that behind me and I’m just going to focus on my last three …