The San Francisco 49ers rookie is getting his first taste of NFL action this preseason and took full advantage of a chance to make an impression on “Monday Night Football.”

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While handling kickoff duty in the third quarter,  Mitch Wishnowsky sent a ball into the end zone that Broncos kick returner Devontae Jackson decided to return.

This was a bad decision.

49ers wide receiver Trent Taylor, who was working with the punt return team during summer drills, described Wishnowsky as “filthy” to the San Francisco Examiner.

Flip the Page to See the Bone Crushing Hit: