EUGENE — In its biggest remaining home game of the season, in front of just its second sellout crowd since 2018-19, Oregon had a strong defensive performance but also its worst shooting game of the season.

Nate Bittle scored 18 points and had a career-high six blocks and Jackson Shelstad added 15 points for the No. 13 Ducks, who shot just 36% from the field in a 65-58 loss to No. 17 Purdue Saturday afternoon in front of an announced crowd of 12,364 at Matthew Knight Arena.

Oregon coach Dana Altman was infuriated with himself for the Ducks committing 16 turnovers, which led to 15 points for the Boilermakers, who had a 14-2 advantage in second-chance points.

“I tell you what, we’re a poorly coached team,” Altman said. “That was — 16 turnovers, leaving our feet, fundamentally not sound, the shot selection awful. Really disappointed in myself not being able to get our guys to execute what we wanted. That was a poor — we worked our tails off defensively; I thought we got through screens. The 14-2 second-chance points, they beat us on the boards there, those two factors: the turnovers, poor shot selection on the offensive end and then 14-2 second-chance points.”

Trey Kaufman-Renn had 23 points and 11 rebounds for his second double-double of the season and Braden Smith had 15 points, seven assists and four rebounds for Purdue (15-4, 7-1 Big Ten). The Boilermakers picked up their second Quadrant 1 win away from home this season despite shooting just 33.9% from the field, including 16.7% from three with a season-low two three-pointers, in their worst outing from the field since Dec. 17, 2022.

It was the third home conference loss for Oregon (15-3, 4-3), which had multiple prolonged scoring droughts but was within one possession until 8:03 to go. UO went 1 for 14 from the field over a span of 13:24, including a scoreless stretch of 7:57 early in the second half that included 10 straight misses, with eight from three.

“I didn’t recognize a lot of the shots we took and the turnovers — no idea where a lot of those came from,” Altman said. “We just lost our composure and our discipline and that’s on me.”

Despite not making a field goal for the final 5:17 of the first half, Oregon went into the break with a 31-30 lead thanks in large part to five of Bittle’s career-high six blocks.

Kaufman-Renn was 7 of 20 from the field and 9 of 9 from the free throw line. He had 11 points and six rebounds in the first half for Purdue, which shot just 31.3% from the field before the break, including 1 of 7 from three.

Both teams committed more turnovers than assists, with Oregon committing nine of its 16 turnovers in the second half, but the differentiating factor was on the offensive glass. Purdue had a 12-5 edge in offensive rebounds, which led to the 14-2 advantage in second-change points.

Brandon Angel had 10 points and five rebounds in 24 minutes for UO before fouling out in the final minute. The Ducks took 29 of their 50 shots from three and made just seven.

“I didn’t get myself in the paint enough tonight,” said Bittle, who was 5 of 12 from the field, including 3 of 9 from three, and 5 of 5 from the free throw line. “I shot way too many threes. I got to get a couple of those shots inside. When they come inside people are starting to double (team), so I got to look for my open teammates, kick it out (and) make the right play.

“I think it all starts with getting on the block a little bit more. I need to do a better job of that and reading the double team to find the open guy and create mismatches on the backside either if it’s a 2-on-1 or a catch and blow-by somebody for my teammate.”

Jadrian Tracey (three points) had five assists but committed five turnovers and TJ Bamba had four points and four steals but also turned it over four times.

“Our experience definitely didn’t help us,” Altman said. “That’s my fault for allowing them to take those kind of shots and not execute what we needed to execute to be successful; that’s on me. Should’ve got somebody else in there that would’ve executed because half the possessions in the second half — the careless turnovers in the first half, but the second half we just didn’t get enough shots.

“Leaving our feet making plays, throwing it out of bounds when we weren’t even running or trying to execute anything. It wasn’t like we were trying to make a play for our teammate or anything like that. We went off on our own and tried to make something happen and it sure didn’t work. They’re too good a defensive team to try to do those kinds of things.”