Ristolainen (upper body) is set to play Saturday versus the Oilers.
Ristolainen (upper body) won't participate in the 4 Nations Face-Off.
Ristolainen (upper body) won't play against Pittsburgh on Saturday, according to Elliotte Friedman of Sportsnet.
Ristolainen (upper body) will be a game-time decision versus Pittsburgh on Saturday, Jordan Hall of NBC Sports Philadelphia reports.
Ristolainen (upper body) won't play Thursday versus the Capitals, Jordan Hall of NBC Sports Philadelphia reports.
Ristolainen (upper body) will be a game-time decision for Thursday's game against the Capitals, Adam Kimelman of NHL.com reports.
Ristolainen (upper body) will not be in action versus Utah on Tuesday, Charlie O'Connor of PHLY Sports reports.
Ristolainen (undisclosed) is day-to-day ahead of Tuesday's matchup against Utah, Charlie O'Connor of PHLY Sports reports.
Ristolainen (undisclosed) missed the third period of Philadelphia's 2-0 loss to Colorado, per Charlie O'Connor of PHLY Sports.
Ristolainen notched two assists, one on the power play, in Monday's 4-2 win over the Devils.