The herd is thinning among the Penguins who practice at Southpointe during the NHL lockout.
Forward Craig Adams, the team's NHL Players' Association representative, missed the workout Friday so he could attend talks in New York between the union and the NHL. Those talks could last at least through the weekend.
Winger James Neal also was absent. His teammates suggested he made a trip home, but they weren't sure if that will be short or long term.
Of the 11 Penguins who practiced together Friday, at least two will be absent next week.
Center Sidney Crosby is headed to Colorado for a five-day minicamp with his trainer, Andy O'Brien. Crosby often participates in a similar session with a handful of other NHL players late in the summer as he did this year. Defenseman Kris Letang is expected to travel to Montreal to join other players in a charity tour of games in Quebec Province. His trip is open-ended.