Records updated through Fall 2023. These records are what WhoWins™ labels "Level 1 Records," in that they apply irrespective of series round (Finals, Semis, Qtrs, or Prelim) or length (4, 5, 6, or 7 games). Level 2 Records apply to a specific series round OR to a specific series length. Level 3 Records apply to a specific series round AND a specific series length. WhoWins™ also tracks these Level 2 and Level 3 records, though they are not presented here. All of the following applies only to MLB, NBA, and NHL best-of-7 playoff series.

MLB:

Most runs in series:
55 by the 1960 New York Yankees (7-game Finals).

Fewest runs in series:
2 by the 1966 Los Angeles Dodgers (4-game Finals).

Most runs at home in series:
39 by the 2007 Boston Red Sox (7-game Semis).

Fewest runs at home in series:
0 by the 1905 Philadelphia Athletics (5-game Finals).

Most runs on road in series:
41 by the 1960 New York Yankees (7-game Finals).

Fewest runs on road in series:
0 by the 1966 Los Angeles Dodgers (4-game Finals).

Most runs by both teams in series:
86 by the 2004 New York Yankees and Boston Red Sox (7-game Semis).

Fewest runs by both teams in series:
15 by the 1966 Baltimore Orioles and Los Angeles Dodgers (4-game Finals).

Largest sum of victory margins, runs:
45 by the 2007 Boston Red Sox and Cleveland Indians (7-game Semis).

Smallest sum of victory margins, runs:
6 by the 1915 Philadelphia Phillies and Boston Red Sox (5-game Finals) and the 1950 New York Yankees and Philadelphia Phillies (4-game Finals) and the 2005 Chicago White Sox and Houston Astros (4-game Finals) and the 2014 Kansas City Royals and Baltimore Orioles (4-game Semis).

Most runs in a game:
19 by the 2004 New York Yankees (Game 3, Semis).

Most runs at home in a game:
16 by the 2002 San Francisco Giants (Game 5, Finals).

Most runs on road in a game:
19 by the 2004 New York Yankees (Game 3, Semis).

Most runs by both teams in a game:
29 by the 1993 Toronto Blue Jays and Philadelphia Phillies (Game 4, Finals).

Largest game victory margin, runs:
15 by the 1996 Atlanta Braves (Game 7, Semis).

NBA:

Most points in series:
869 by the 1959 Boston Celtics (7-game Semis).

Fewest points in series:
304 by the 1999 Portland Trailblazers (4-game Semis).

Most points at home in series:
523 by the 1959 Boston Celtics (7-game Semis).

Fewest points at home in series:
143 by the 1999 Portland Trailblazers (4-game Semis).

Most points on road in series:
507 by the 1963 Cincinnati Royals (7-game Semis).

Fewest points on road in series:
142 by the 2016 Memphis Grizzlies (4-game Prelim).

Most points by both teams in series:
1698 by the 1987 Boston Celtics and Milwaukee Bucks (7-game Qtrs).

Fewest points by both teams in series:
649 by the 1999 San Antonio Spurs and Portland Trailblazers (4-game Semis).

Largest sum of victory margins, points:
136 by the 2022 Phoenix Suns and Dallas Mavericks (7-game Qtrs).

Smallest sum of victory margins, points:
16 by the 1975 Golden State Warriors and Washington Bullets (4-game Finals), and by the 2017 Indiana Pacers and Cleveland Cavaliers (4-game Prelim).

Most points in a game:
156 by the 1970 Milwaukee Bucks (Game 3, Qtrs).

Fewest points in a game:
46 by the 1948 St. Louis Bombers (Game 7, Semis).

Most points at home in a game:
154 by the 2020 Los Angeles Clippers (Game 5, Prelim).

Fewest points at home in a game:
46 by the 1948 St. Louis Bombers (Game 7, Semis).

Most points on road in a game:
156 by the 1970 Milwaukee Bucks (Game 3, Qtrs).

Fewest points on road in a game:
54 by the 1998 Utah Jazz (Game 3, Finals).

Most points by both teams in a game:
304 by the 1992 Portland Trailblazers and Phoenix Suns (Game 4, Qtrs).

Fewest points by both teams in a game:
107 by the 1948 St. Louis Bombers and Philadelphia Warriors (Game 4, Semis).

Largest game victory margin, points:
58 by the 2009 Denver Nuggets (Game 4, Prelim).

NHL:

Most goals in series:
44 by the 1985 Edmonton Oilers (6-game Semis).

Fewest goals in series:
1 by the 2003 Minnesota Wild (4-game Semis).

Most goals at home in series:
28 by the 1985 Edmonton Oilers (6-game Semis).

Fewest goals at home in series:
0 by the 1943 Boston Bruins (4-game Finals), the 1960 Chicago Blackhawks (4-game Semis), the 2001 Ottawa Senators (4-game Prelim), the 2001 Pittsburgh Penguins (5-game Semis), the 2002 Chicago Blackhawks (5-game Prelim), the 2003 Minnesota Wild (4-game Semis), the 2004 New York Islanders (5-game Prelim), and the 2017 Chicago Blackhawks (4-game Prelim).

Most goals on road in series:
19 by the 1988 Detroit Red Wings (6-game Prelim), the 1993 Los Angeles Kings (6-game Prelim), the 2010 Detroit Red Wings (7-game Prelim), and the 2018 Winnipeg Jets (II) (7-game Qtrs).

Fewest goals on road in series:
0 by the 1952 Toronto Maple Leafs (4-game Semis), the 1952 Montreal Canadiens (4-game Finals), the 1969 Toronto Maple Leafs (4-game Qtrs), the 1994 New York Islanders (4-game Prelim), the 2002 Philadelphia Flyers (5-game Prelim), and the 2006 Colorado Avalanche (4-game Qtrs).

Most goals by both teams in series:
69 by the 1985 Edmonton Oilers and Chicago Blackhawks (6-game Semis).

Fewest goals by both teams in series:
10 by the 2003 Anaheim Mighty Ducks and Minnesota Wild (4-game Semis), and by the 2018 Vegas Golden Knights and Los Angeles Kings (4-game Prelim).

Largest sum of victory margins, goals:
29 by the 1985 Edmonton Oilers and Chicago Blackhawks (6-game Semis).

Smallest sum of victory margins, goals:
4 by the 1968 Montreal Canadiens and St. Louis Blues (4-game Finals), the 1993 Montreal Canadiens and Buffalo Sabres (4-game Qtrs), the 1999 Dallas Stars and Edmonton Oilers (4-game Prelim), the 2003 Anaheim Mighty Ducks and Detroit Red Wings (4-game Prelim), the 2018 Vegas Golden Knights and Los Angeles Kings (4-game Prelim), and the 2023 Carolina Hurricanes and Florida Panthers (4-game Semis).

Most goals in a game:
13 by the 1987 Edmonton Oilers (Game 2, Prelim).

Most goals at home in a game:
13 by the 1987 Edmonton Oilers (Game 2, Prelim).

Most goals on road in a game:
10 by the 1983 Edmonton Oilers (Game 3, Qtrs) and the 2012 Pittsburgh Penguins (Game 4, Prelim).

Most goals by both teams in a game:
17 by the 1989 Pittsburgh Penguins and Philadelphia Flyers (Game 5, Qtrs).

Largest game victory margin, goals:
11 by the 1944 Montreal Canadiens (Game 5, Semis).