NHLPA counsel Steve Fehr and NHL deputy commissioner Bill Daly "touched base" on Saturday and are expected to talk again Sunday.
Ryan Hartman has been issued a one-game suspension for hitting Colorado's Carl Soderberg in the head.
Patric Hornqvist (upper body) won't return for Game 5.
Andrew Hammond will be the Avalanche's starter for Game 5 on Friday.
Ryan Hartman will have a hearing with the NHL Department of Player Safety on Thursday for an illegal check to the head on Colorado's Carl Soderberg.
With the Ducks eliminated from the 2018 playoffs, Francois Beauchemin's playing career has ended.
Tomas Hertl scored a goal in Wednesday's 2-1 win over the Anaheim Ducks.
Filip Forsberg picked up a goal and an assist in Wednesday's 3-2 win over the Colorado Avalanche.
Jonathan Bernier suffered a lower-body injury in Wednesday's 3-2 loss to the Nashville Predators.
Sami Vatanen was forced from Wednesday's Game 4 loss to Tampa Bay due to an upper-body injury.
Nikita Kucherov scored two goals and picked up an assist in Wednesday's 3-1 Game 4 win over the New Jersey Devils.
Calle Jarnkrok (upper body) will be back in the lineup for Game 4 on Wednesday night.