Heather Corral suffered a knee injury in the Prairie girls basketball team’s 62-43 win over Wilson on Tacoma on Saturday and her status is uncertain.Corral left Saturday’s game in Auburn in the second quarter and did not return. Prairie coach Al Aldridge said Corral would be re-evaluated after visiting the doctor on Monday.Corral suffered a torn ligament in her knee in December 2009, missing the remainder of her sophomore season.Corral scored eight points Saturday before leaving. Prairie led 32-12 at halftime. Wilson rallied back after Corral was hurt to close within 39-31 after three quarters before the Falcons (23-0) put the game away in the fourth quarter.Angela Gelhar and Lauren Goecke led the Falcons with 16 points each.Prairie will play Kennedy of Burien in the Class 3A bi-district tournament championship game at 2 p.m. Monday at the ShoWare Center in Kent. The Falcons will then advance to the regional portion of the state tournament on Friday in either Auburn or Bellevue.