Patrick Corbin asks Diamondbacks fans about Patrick Corbin

Patrick Corbin, 20-16 in his two-year career, is out this season after having Tommy John surgery.

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Some of you may have seen Mets pitcher Matt Harvey ask New Yorkers questions about Matt Harvey for "Late Night with Jimmy Fallon."

Diamondbacks pitcher Patrick Corbin recently tried the same gag with Arizona fans.

The difference this time was that Corbin asked Diamondbacks fans about Patrick Corbin on Patrick Corbin Bobblehead Day while holding a Patrick Corbin Bobblehead.

Yet, several "fans" still had no clue who they were talking to.