Former Clemson WR Mike Williams (LA Chargers) celebrates Tigers’ victory over Notre Dame

Mike Williams knows a thing or two about winning a national championship.

The Los Angeles Chargers‘ second-year receiver helped Clemson capture the 2016 title with a win over Alabama.

On Saturday night, Williams was again celebrating his former team’s success as Clemson knocked off Notre Dame to advance to the College Football Playoff Championship … vs. Alabama … on Jan. 7.