WEST LAFAYETTE, Ind. — Purdue's opportunity to play in the Big Ten Tournament next week comes down to the final game. After suffering a 71-65 loss to Oregon on Senior Night on Wednesday, the Boilermakers are now on the outside looking in on the 15-team event.Turnovers were the big issue for Purdue on Wednesday night, once again playing without senior leader Madison Layden-Zay due to a knee injury. The Boilermakers struggled with Oregon's pressure defense, ending the contest with 21 turnovers. The Ducks made the most of those opportunities, scoring 31 points off of Purdue's offensive woes.Purdue found itself in a favorable position at the end of the first quarter, with the game tied 17-17. But the Ducks stole the second quarter, outscoring the Boilermakers 22-11 to take a 39-28 advantage into half. Purdue freshman Hila Karsh (8) pushes the ball up the court during an NCAA women’s basketball game.…