WATCH: Four CMU fraternities, Sigma Chi, Phi Sigma Phi, Kappa Sigma and Sigma Pi, hold an annual fundraiser for cancer research called Sigma Freeze.
Sigma Freeze 2018
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WATCH: Four CMU fraternities, Sigma Chi, Phi Sigma Phi, Kappa Sigma and Sigma Pi, hold an annual fundraiser for cancer research called Sigma Freeze.
