East Lansing — Here’s where it all went wrong.

A year ago, Michigan State’s perfect 3-0 start yielded a 5-7 finish that exposed clear weaknesses to Jonathan Smith’s debut team. The good will evaporated as losses poured in.

This Saturday, his sequel Spartans take a matching 3-0 start more than 2,200 miles west to Los Angeles, where a grueling Big Ten opener against Southern Cal awaits (11 p.m./Fox).

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