In four career NHL games (three regular season, one playoff), Gibson is now 4-0-0 with a 1.00 GAA and .965 SV%, stopping 111 of 115 shots.
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John Gibson (20 years and 300 days) is the youngest goalie in NHL history to record a shutout in his playoff debut.
Gibson is only the sixth NHL goaltender in the last 60 years to post a shutout in his first Stanley Cup playoff game, the first since Jonas Hiller did so for the Ducks in 2009 (April 16 @ San Jose, CQF). The other goaltenders to do so since 1954 are Bob Mason (1987 Capitals), Jacques Cloutier (1989 Sabres), Chris Osgood (1994 Red Wings), Andrew Raycroft (2004 Bruins), and the aforementioned Hiller.
Gibson also registered a shutout in his first regular-season NHL game (April 7, 2014 at Vancouver). The only other goaltender in NHL history to notch a shutout in both his first regular-season game and his first playoff game is Hall-of-Famer Tiny Thompson with the Boston Bruins (November 1928 and March 1929).
Gibson (age 20 years, 300 days) is the fourth-youngest goaltender in NHL history at the time of his first career playoff shutout (debut game or not), behind Harry Lumley (age 18 in 1945), Patrick Roy (age 20 years, 229 days in 1986) and Carey Price (age 20 years, 243 days in 2008).
Gibson is the youngest goalie to win a playoff game since Montreal's Carey Price (20 years and 238 days) on April 24, 2008 vs. Philadelphia.