Maroon underwent surgery last Wednesdy to repair a herniated disc in his back, Tom Gulitti of NHL.com reports, adding that the winger will still be prepared for training camp.
Coleman notched 13 goals and 25 points while racking up 216 hits in 79 games this campaign.
Zacha sustained a ligament injury to his right thumb/wrist toward the end of the 2017-18 campaign. While he won't require surgery, he'll have the hand immobilized for 2-to-4 weeks, and participating in the World Championships in Denmark is no longer an option.
Hischier dealt with a left wrist/hand injury his entire rookie campaign and consequently will need to immobilize the hand for 2-to-4 weeks as an alternative to surgery,
Vatanen is said to have sustained a concussion and facial laceration from the hit by Lightning forward Nikita Kucherov in Game 4 of the conference quarterfinals, Amanda Stein of the Devils' official site reports.
Pietila skated in two games in the 2017-18 season, logging five hits and a shot on goal but was held pointless.
Lovejoy lit the lamp three times and supplied six assists, while also going plus-six in 2017-18.
Hayes skated in 33 games in the 2017-18 season, scoring three goals and collecting six assists while averaging 11:53 of ice time.
Mueller notched four assists in 31 games including playoffs in 2017-18, while averaging 16:43 of ice time.
Vatanen (upper body) was unable to return prior to the Devils getting bounced from the playoffs.
As expected, Vatanen (upper body) will not play Saturday afternoon in Game 5 against the Lightning, Mike Morreale of NHL.com reports.
Vatanen (upper body) didn't make the trip to Tampa Bay for Saturday's Game 5, Amanda Stein of the Devils' official site reports.
The Devils have yet to decide whether Vatanen (upper body) will accompany the team to Tampa Bay for Game 5 on Saturday, Amanda Stein of the Devils' official site reports.
Boyle hasn't recorded a point in the conference quarterfinals versus the Lightning, but he does have 14 PIM and 15 hits through four games.
Vatanen's return to Wednesday's Game 4 is considered questionable due to an upper-body injury, Amanda Stein of the Devils' official site reports.
Vatanen departed Wednesday's Game 4 against the Lightning in the first period after taking a high hit from the Lightning's Nikita Kucherov, Amanda Stein of the Devils' official site reports.
Bertschy was recalled from AHL Binghamton on Monday.
Vatanen scored a goal in a 5-3, Game 2 loss to Tampa Bay on Saturday.
Hischier scored his first career playoff goal in Saturday's Game 2 loss to Tampa Bay.
Johansson (concussion) has been given the go-ahead to start taking contact in practice, Mike Morreale of NHL.com reports.
Kinkaid will defend the net for Thursday's Game 1 against the Lightning, Amanda Stein of the Devils' official site reports.
Wood recorded a goal and an assist in Saturday's 5-3 road loss to the Capitals.
Lack was called up from AHL Binghamton on Saturday.
Santini was recalled from AHL Binghamton on Saturday.
Vatanen (rest) isn't expected to be active for Saturday's road game against the Capitals -- it's the regular-season finale -- according to Amanda Stein of the Devils' official site.