This is Sportscenter: Best of the Best

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Put simply, it is the best ad campaign in TV history.

This is Sportscenter, the series of commercials that have run on ESPN since 1994 in promotion of that network's flagship series, are nothing short of brilliant and hilarious.

From mascots strolling around set to anchors going after perfect shows and being in need of a closer when they just can't bring it home, the spots feature famous athletes and ridiculous concepts.

Such one reporter being nabbed for enhancing his performance... with a thesaurus. Watch a collection of the 20 best ads now: