The 26-year-old Namestnikov, acquired from Tampa Bay at the 2018 trade deadline as part of the deal that sent Ryan McDonagh and J.T. Miller to the Lightning, had 13 goals and 22 assists in 99 games with the Rangers. For his career, he has 66 goals and 92 assists in 362 games.
Ebert has played in one game with the American Hockey League's Belleville Senators this season. He played in 49 games with Orebro of the Swedish Hockey League last season, with 11 goals and 22 assists. The 25-year-old native of Livingston, New Jersey, was a seventh-round pick by Los Angeles in the 2012 NHL draft.
The Rangers now have nine picks in the 2021 draft -- one in each of the first two rounds, two in each of the next two rounds and one each in the the last three rounds.