MADISON, Wisc. - Nobody's perfect.

Jordan Taylor and Wisconsin found themselves in a huge hole against previously unbeaten Ohio State, but the Badgers only needed about 13 minutes to shatter the Buckeyes' chase at an undefeated season.

"We knew we had a run in us," Taylor said.

Taylor scored 21 of his 27 points in the second half, rallying No. 13 Wisconsin from a 15-point deficit to beat No. 1 Ohio State 71-67 on Saturday and keep Division I without a perfect team since Indiana in 1975-76.

Taylor was the catalyst, sparking a 15-0 run with eight straight points, then keeping the Badgers calm down the stretch with his poise.

"(He) made all the difference in the world. He came down and hit those back-to-back 3s and got us right back into it, and from there you could just see we had some momentum," Wisconsin's Jon Leuer said. "It was unbelievable what he was able to do in such a short period of time, when we were battling adversity."

Wisconsin (19-5, 9-3 Big Ten) topped a No. 1 opponent for the first time since 1962, when it was also Ohio State. The Badgers joined Florida as the only programs to knock off the same No. 1 school in both football and men's basketball in the same academic year. The Gators also beat Ohio State in both sports in 2006-07.

Fans at the sold-out Kohl Center stormed the court, just like when they rushed the field at Camp Randall Stadium following the Badgers' 31-18 win there over then-No. 1 Ohio State on Oct. 16.

"I kind of like ours because it just happened," coach Bo Ryan said. "I loved football because I was there at the game. It's just all good for the school."

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William Buford scored 21 points for Ohio State (24-1, 11-1). Freshman Jared Sullinger made an easy layup to push the Buckeyes' lead to 47-32 with 13:21 left, setting the stage for the comeback.

"We got a good, old piece of humble pie, so we're back hungry," Sullinger said. "This team wants to get back and practice tonight — unfortunately, we can't due to NCAA rules."

Mike Bruesewitz and Leuer scored 12 points apiece, while freshman Josh Gasser added 11 for Wisconsin, which won its 17th straight at the Kohl Center and improved to 150-11 at home under Ryan.

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Sullinger scored 19 points and had 12 rebounds, for the Buckeyes, whom coach Thad Matta said has bigger objectives ahead than an unbeaten season.

"The goal for this basketball team when we set out was not to go undefeated," Matta said. "We'll see our character of how we recover when we come back into practice."

Wisconsin was sharp from beyond the arc, hitting 12 of 24 3-pointers to key the upset, but it sure didn't look like the Badgers would be close after falling behind big.

Taylor sparked the first big run, hitting a floater and two deep 3-pointers, then Wisconsin went on another 10-0 run down the stretch to hold on.

"They had to play for that stretch damn near perfect to get us and they did," Matta said. "They deserve the credit for that."