Not that it was actual abandonment of a PP unit but the Lightning in 2011 had about a single minute to score a PP goal on any given chance and if you could survive that minute you were effectively done killing the penalty. The Lightning used to run something Steven Stamkos, Vinny Lecavalier, Marty St. Louis, Teddy Purcell and Victor Hedman on unit 1 and then follow it up with some mountain of 4th line shit like Nate Thompson, Tom Pyatt and Adam Hall.
The last 50 seconds of PP time would be pure "f*** it" and we'd practically kill the penalty for them using like half our penalty killers. Is it any wonder how we went from 1st place to 29th the following year in PP%