Winchester, 32, spent all of last season in the AHL, totaling 27 points in 37 games with the Milwaukee Admirals. He last played in the NHL in 2011-12, when he had 10 points in 67 games with the San Jose Sharks.
Peckham, 25, had a minus-1 rating in four games with the Edmonton Oilers last season. He also spent time with the San Francisco Bulls of the ECHL and the Oklahoma City Barons, the Oilers' AHL team.
There was a lot of talk off the ice. From a player's standpoint, that's not the talk in the room. GMs make decisions, coaches make decisions, but as a team you have to come together and be ready to go, and we are.
— San Jose Sharks forward Tommy Wingels on his team's approach entering training camp