Across from the tunnel inside Mackey Arena, Purdue has a message staring everybody in the face: "Defensive Lives Here."
For the last two seasons, that sign has felt more like a reminder than a description. This year, though, the Boilermakers believe they have a group built to make it matter again. Purdue’s defensive numbers have stayed respectable - 53rd in 2024-25 and 35th in 2025-26, according to KenPom - but there were still too many moments when stops disappeared in the biggest possessions.
Now the focus has shifted toward turning that solid foundation into something sharper. Matt Painter brought in former Purdue guard and Big Ten Defensive Player of the Year Kenneth Lowe to join the staff, and his impact is already being felt in West Lafayette.
"Just the emphasis of keeping your man in front of you; don't allow middle," junior guard C.J. Cox told Boilermaker Lounge at Big Ten Media Days.
"He works with the guards a lot, making sure we're moving our feet, working on that angle, having that position. I feel like we have that guard group that's able to pick up full court, defend in the half court, and then we have the bigs to be able to clean up shots at the hoop and protect the rim."
That starts with Purdue’s perimeter players. The program has talked all offseason about Antione West Jr.’s length and reach, and Cox and Gicarri Harris bring a pair of seasoned defenders who have already spent two years handling top opposing scorers. Both have taken another step as off-ball defenders, too.
There’s more size, speed and bite in the backcourt as well. Omer Mayer has gotten stronger and quicker, while Luke Ertel is the kind of guard who can stay attached to the ball. Put it together, and Purdue may have one of its most disruptive guard units in a long time.
"I feel like with the team we have now, we're all invested in guarding the ball," Cox said. "Me and Gicarri last year were the guys guarding the other team's best player, so I feel like us continuing to do that, and then Antione playing, he's also a very good defender.
He has a long wingspan, so he'll be able to disrupt the ball, as well. And then Luke and Omer staying in front of the ball.
Omer, compared to last year, has really improved."
That pressure is supposed to do more than just force tough possessions. Purdue expects it to lead to turnovers, open the floor in transition and create easier scoring chances the other way. The team’s work in Canada showed how much heavier the emphasis is this season.
The front line gives Purdue another layer. Daniel Jacobsen is the obvious rim-protection piece, with a 7-foot-4 wingspan and a track record of blocking and altering shots. Enzo Shahrvin, even at 6-foot-9, brings athleticism that helps offset the lack of height.
Jacobsen said the work has been about more than just size and timing.
"I think it's just an increased focus and intensity," Jacobsen said. "We spent a lot of the offseason working on that, focusing on that. We watched a lot of film, Canada helped us a lot, not just the competition, but just for ourselves, working in our schemes, making sure we're executing."
He’s already the proven shot-blocking presence on the roster, having averaged more than a block per game last season in limited minutes. The next step has been about cutting down fouls and using that 7-foot-4 frame to affect shots without constantly needing to leave his feet.
Painter also likes what Shahrvin can bring on the defensive end, especially with rebounding and physicality already part of the conversation around him. His speed and strength give Purdue another body who can make life difficult around the rim.
"He's about as fast a big dude as I've ever been around," Painter said. "He can get from A to B.
He has to work on his positioning defensively. He's out of position all the time, and he makes plays all the time.
I know that's a contradiction, but if he can get in position and can use his strength and athleticism, he can be a menace on the defensive end. We could be a pretty good defensive team."
Purdue still has one more area that has to tighten up: the glass. Rebounding remains something the staff plans to hammer throughout the season. But with guards who can pressure the ball and bigs who can protect the rim, the Boilermakers believe the ceiling on that end is higher than it’s been in a while.
If they hit it, that sign in Mackey Arena might finally start to feel less like a slogan and more like a warning.
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The running game, in particular, gave Purdue a different kind of edge and helped the Boilermakers stack back-to-back conference wins for the first time since the end of the 2022 season. Against the team he once backed up, Fame Ijeboi led the way in a performance that underscored how much this offense has started to settle in, and Purdue now has a chance to build on a stretch that at least hints the turnaround may be taking hold. [Read more 🡒]