Jan 5, 2014, 5:43 PM EDT
Petrovic, 21, is dealing with an upper-body injury while Olsen, 23, is struggling with a lower-body ailment.
The Panthers beat the Nashville Predators 5-4 (SO) on Saturday. The Panthers will visit Montreal on Monday, Buffalo on Thursday and New Jersey on Saturday.
- Flyers overcome two-goal deficit to finally win at MSG 31
- NHL suspends Seabrook three games for charging into Backes 66
- MacKinnon, Avs shine against Wild, take 2-0 series lead 23
- Video: Roenick says MacKinnon is more dominant at 18 than Crosby was 25
- Blue Jackets gain first-ever playoff win, tie series with Penguins 1-1 47
- Video: Seabrook ejected for charging Backes; will face hearing (update) 136
- WATCH LIVE: Columbus Blue Jackets at Pittsburgh Penguins (Game 2) 4
- Blues come back to stun Blackhawks 4-3 in overtime, take 2-0 series lead 40
- WATCH LIVE: Chicago Blackhawks at St. Louis Blues (Game 2) 4
- Flyers’ Mason out of Game 2, Emery to start again 51