O'Connor scored a goal in Friday's 4-1 loss to the Hurricanes.
O'Connor scored a shorthanded goal and added an assist in Wednesday's 6-5 overtime win over the Sabres.
O'Connor set new personal bests in games (79), goals (16) and assists (17) this season while averaging 15:45 of ice time.
O'Connor scored a goal on three shots in an overtime win versus Detroit on Thursday.
O'Connor scored a goal on four shots in Thursday's 3-2 win over the Blue Jackets.
O'Connor (concussion) will play Tuesday against Ottawa.
O'Connor (concussion) will be a game-time decision versus the Senators on Tuesday, Andrew Destin of the Pittsburgh Post-Gazette reports.
O'Connor (concussion) won't play Sunday versus the Oilers.
O'Connor (concussion) isn't expected to play Saturday versus Boston.
O'Connor (concussion) will not be in the lineup against Washington on Thursday, Penguins play-by-play announcer Josh Getzoff reports.