- Won an Eastern Hockey League championship as goaltender of the Johnstown Jets in 1959-60.
- Played 3,779 minutes in 62 games and posted a 43-18-1 regular-season record with the Jets.
- Made 13 playoff starts on Jets championship squad. Johnston was a first-team Eastern Hockey League all-star.
- Was the last NHL goaltender to play every minute of every game in a season, accomplishing the ironman feat with the Boston Bruins in a 70-game season in 1963-64.
- Professional hockey career included 22 seasons as a player and 31 years as a coach or part of management — more than 50 years in the pro game.
- Won Stanley Cup championships as a goaltender with the Boston Bruins in 1970 and 1972 and earned a third ring in 2009 as Pittsburgh Penguins senior advisor for hockey operations.
- As a player, appeared in 591 NHL games and posted a 236-256-87 record with 32 shutouts.
- Served as Pittsburgh Penguins as coach, general manager and advisor for 25 years.
- As GM he drafted Hall of Famer Mario Lemieux in 1984.