The No. 21 Michigan State Spartans' second-half turnaround ignited a 30-point win over the No. 24 Michigan Wolverines.

ANN ARBOR — Theryn Hallock sparked a big third quarter for the Michigan State women's basketball team. And that surge after halftime helped the No. 22-ranked Spartans continue their winning ways.

In-state rivalries are always a big deal, and No. 21 Michigan State University women’s basketball junior forward Theryn Hallock knows the importance of these matchups.

Theryn Hallock scored game-high 25 points and Michigan State women's basketball used 59-25 second half to crush Michigan in ranked game at Ann Arbor.

Penn State overcame a 12-point deficit in the middle stages of the opening quarter to own a 30-27 advantage at the half. And after the teams were tied entering the final quarter, Penn State outscored Ohio State 11-8 to close out the win. Wednesday offers the Nittany Lions a chance to record a second straight win over a top-25 opponent.

Michigan State women’s basketball moved up to No. 21 in this week's Associated Press Top 25 Poll, which was revealed on Monday. Michigan State was ranked No. 22

The Spartans (16-2, 7-0 Big Ten) climbed four spots to No. 8 in the new AP Top 25 released Monday. They beat Penn State 90-85 on Wednesday and edged then-No. 19 Illinois 80-78 on Sunday to extend their lonest winning streak in six years to 11 straight.

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