Guess this answers the question I posed earlier. The Penguins have reassigned Mark Letestu to Wilkes-Barre Scranton to open up a roster spot. That spot, of course, would seem to be an open slot for Max Talbot's return on Thursday.
Can't say I really saw enough of Letestu to make an overall judgment, but at the least he didn't cause any turnovers or miss wide-open nets to warrant any sort of negative impression. He was held pointless in only two games.
Here's the official release from the PG.