Ace Baldwin Jr. scored 17 points with six assists and Freddie Dilione V added 14 points as Penn State opened Big Ten Conference play with an 81-70 upset victory at home against No. 8 Purdue on Thursday in University Park, Pa.Puff Johnson scored 13 points and Nick Kern added 12 points with eight rebounds as the Nittany Lions (8-1) ended an eight-game losing streak against the Boilermakers. Zach Hicks scored 11 points.High-scoring Penn State, which entered third in the nation with 91.3 points per game, leaned into its defense by forcing Purdue into 24 turnovers, tied for the most in 20 seasons under head coach Matt Painter.The Nittany Lions earned a victory over a top-10 team for the first since December 2019 and are off to their best start since the 2014-15 team opened 12-1.Trey Kaufman-Renn and Fletcher Loyer each scored 15 points and C.J. Cox added 12 for Purdue (7-2), which entered off a neutral-court victory over No. 23 Ole Miss and defeated then-No. 2 Alabama earlier this season.The Boilermakers, two-time defending Big Ten regular-season champions, saw the Nittany Lions make 28 of their 32 free-throw attempts.Penn State set the tone early by picking up Purdue full court and playing a half-court pressure defense that held the Boilermakers below 10 points for the first 11 minutes of the game.