Nah, Poona is fine at defending the square yard of space around him, assuming nobody blocks him and the runner comes right at him. Anything more than that, you'd want anyone else in the game.
The turn in the narrative is:
This would be the first road game Kermit has played in the playoffs. Ever.
Nobody really knows how he'll react. Will he raise to a new level?
Will he go full wacky waving inflatable tube man at his receivers again?