Michigan State's Tom Izzo calls for unity against gun violence after rivals show support following shooting

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Earlier this month, three people were killed in a shooting on the campus of Michigan State University.

The deadly attack forced the school to cancel classes for two days as well as a men's basketball game against the University of Minnesota.

The Spartans returned to play on Saturday against arch-nemesis Michigan in Ann Arbor. But the two squads put aside their rivalry to come together in the wake of the tragedy.

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Head coach Tom Izzo of the Michigan State Spartans walks to the court to play the  Michigan Wolverines at Crisler Arena on February 18, 2023 in Ann Arbor, Michigan.  (Gregory Shamus/Getty Images)

Michigan players wore warmup shirts that read "MICHIGAN BASKETBALL STANDS WITH MSU," and green lights lit up the Wolverines' arena.

"It’s a hateful rivalry. It’s what rivalries are supposed to be. But I give the University of Michigan a lot of credit," Izzo said on "Know Mercy" with Stephen A. Smith. "[Michigan head coach] Juwan Howard called me right when it happened - they banned together, they honored us there, their big night, their big game, they wore shirts.

Jett Howard #13 of the Michigan Wolverines warms up wearing a shirt with "Michigan Basketball stands with MSU" before a college basketball game against the Michigan State Spartans at Crisler Arena on February 18, 2023 in Ann Arbor, Michigan. The Michigan Wolverines paid tribute to the students that passed away from a mass shooting at Michigan State University earlier in the week.  (Aaron J. Thornton/Getty Images)

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"And I told Juwan