Jaromír Jágr is a Czech professional ice hockey right winger and owner of Rytíři Kladno of the Czech Extraliga (ELH). He previously played in the National Hockey League (NHL) for the Pittsburgh Penguins, Washington Capitals, New York Rangers, Philadelphia Flyers, Dallas Stars, Boston Bruins, New Jersey Devils, Florida Panthers and Calgary Flames, serving as captain of the Penguins and the Rangers, between 1990 and 2008. After leaving the Rangers in 2008, he played three seasons in the Kontinental Hockey League (KHL) with Avangard Omsk. He returned to the NHL in 2011 with the Flyers and remained in the league for seven more years before being assigned by the Flames in 2018 to HC Kladno. Having played in 37 professional seasons and over 2,000 professional games, Jágr has had the longest playing career in professional ice hockey history. He is the most productive European player who has ever played in the NHL and is widely regarded as one of the greatest players of all time.

Wayne Douglas Gretzky is a Canadian former professional ice hockey player and former head coach. He played 20 seasons in the National Hockey League (NHL) for four teams from 1979 to 1999, retiring at the age of 38. Nicknamed "the Great One", he has been called the greatest ice hockey player ever by many sportswriters, players, The Hockey News, and the NHL itself, based on extensive surveys of hockey writers, ex-players, general managers and coaches. Gretzky is the leading career goal scorer, assist producer and point scorer in NHL history, and has more career assists than any other player has total points. He is the only NHL player to total over 200 points in one season, a feat he accomplished four times. In addition, Gretzky tallied over 100 points in 15 professional seasons, 13 of them consecutive. At the time of his retirement in 1999, he held 61 NHL records: 40 regular season records, 15 playoff records, and 6 All-Star records.