It’s the second time this season and the fifth in her career that Williams has won the league’s weekly award, but she’s making a case for national accolades as well. By OU Athletics Media Relations For the second time this season and fifth time in her career, Oklahoma redshirt senior Madi Williams was named the Big 12 Conference Player of the Week, the league announced Monday. Williams was critical in then-No. 15 Oklahoma’s two victories last week, guiding the conference-leading Sooners (16-2, 6-1) to a 27-point road win over TCU and a double-digit comeback win over in-state foe Oklahoma State…