Mantha, who scored 50 goals for Val D'Or last season, played in one preseason game for Detroit.The Red Wings have 55 players remaining in camp.
The Carolina Hurricanes on Wednesday trimmed their training camp roster by 12 players, sending 11 to the Charlotte Checkers, their American Hockey League affiliate, and returning another to his junior team.
The Hurricanes have 35 players remaining in camp.
"He did have a light skate today and it went well," coach Pete DeBoer said.
"Obviously I have to help in areas where I'm best," Brunner told the Devils website. "I think I have to use my speed, my shot and create some offense and put some pucks in the net."
The Calgary Flames reassigned 19 players Wednesday, sending 13 to the Abbotsford Heat, their American Hockey League affiliate, and returning six other to their junior teams.
Among those reassigned were 2013 first-round draft picks Morgan Klimchuk and Emile Poirier, both of whom were returned to their junior teams.
The Philadelphia Flyers on Wednesday cut their training camp roster by sending 24 players to their American Hockey League team.
Among those sent to the Adirondack Phantoms was forward Tye McGinn, who had three goals and five points in 18 NHL games as a rookie last season.
The Vancouver Sun reported Booth skated with the non-playing group Wednesday morning in advance of a preseason game against the Edmonton Oilers.
"It was quite the feeling," Booth said, according to the newspaper. "I mean, it's been a while since I skated with them."
The Edmonton Oilers reduced their training camp roster by four players Wednesday, sending three to the Oklahoma City Barons, their American Hockey League affiliate, and returning another to his junior team.
The Oilers' training camp roster now includes 41 players: four goaltenders, 14 defensemen and 23 forwards.
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That's the biggest goal I've ever scored. It's a great feeling any time you do that, especially at home. We're one game away from a Stanley Cup berth. It was a huge goal and it felt unbelievable.