Lincoln Riley raves about Trojan DC Alex Grinch, how their philosophies mesh

By Andrew Graham, On3: Alex Grinch has become something of an indispensable assistant for current USC head coach Lincoln Riley. And Riley recent raved about what his defensive coordinator brings to the table.

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Lincoln Riley raves about Alex Grinch, how their philosophies mesh together

Riley is confident Grinch can engineer a defensive uptick at USC in the same way he did at Oklahoma when Riley first hired him.

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