List of Kansas City Royals team records

Single Season Records

Batting

• Batting Average: George Brett, .390 (1980)
• On-base percentage: George Brett, .454 (1980)
• Slugging Percentage: George Brett, .664 (1980)
• OPS: George Brett, 1.118 (1980)
• At Bats: Willie Wilson, 705 (1980)
• Runs: Johnny Damon, 136 (2000)
• Hits: Willie Wilson, 230 (1980)
• Total Bases: George Brett, 363 (1979)
• Doubles: Hal McRae, 54 (1977)
• Triples: Willie Wilson, 21 (1985)
• Home Runs: Steve Balboni, 36 (1985)
• RBI: Mike Sweeney, 144 (2000)
• Walks: John Mayberry, 122 (1973)
• Strikeouts: Bo Jackson, 172 (1989)
• Stolen Bases: Willie Wilson, 83 (1979)
• Singles: Willie Wilson, 184 (1980)
• Runs Created: George Brett, 142 (1985)
• Extra-Base Hits: Hal McRae, 86 (1977)
• Times on Base: Mike Sweeney, 292 (2000)
• Sacrifice Hits: Tom Goodwin, 21 (1996)
• Intentional Walks: George Brett, 31 (1985)
• Grounded into Double Plays: Billy Butler, 32 (2010)
• At Bats per Strikeout: George Brett, 23.5 (1977)
• At Bats per Home Run: Bob Hamelin, 13.0 (1994)
• Outs: Carlos Beltrán, 504 (1999)

Pitching

• ERA: Roger Nelson, 2.08 (1972)
• Wins: Bret Saberhagen, 23 (1989)
• Won-Loss %: Larry Gura, .800 (1978)
• WHIP: Roger Nelson, .871 (1972)
• Hits Allowed/9IP: Roger Nelson, 6.23 (1972)
• Walks/9IP: Doug Bird, 1.41 (1976)
• Strikeouts/9IP: Kevin Appier, 8.82 (1996)
• Games: Dan Quisenberry, 84 (1985)
• Innings: Dennis Leonard, 294 ⅔ (1978)
• Strikeouts: Dennis Leonard, 244 (1977)
• Games Started: Dennis Leonard, 40 (1978)
• Complete Games: Dennis Leonard, 21 (1977)
• Shutouts: Roger Nelson, 6 (1972)
• Home Runs Allowed: Darrell May, 38 (2004)
• Walks Allowed: Mark Gubicza, 120 (1987)
• Hits Allowed: Steve Busby, 284 (1974)
• Strikeout to Walk: Bret Saberhagen, 4.49 (1989)
• Earned Runs Allowed: José Lima, 131 (2005)
• Wild Pitches: Dan Reichert, 18 (2000)
• Batters Faced: Steve Busby, 1,220 (1974)
• Games Finished: Dan Quisenberry, 76 (1985)

Career Records

Batting

• Batting Average: George Brett, .305
• On-base percentage: Kevin Seitzer, .380
• Slugging Percentage: Danny Tartabull, .518
• OPS: Danny Tartabull, .894
• Games: George Brett, 2,707
• At Bats: George Brett, 10,349
• Runs: George Brett, 1,583
• Hits: George Brett, 3,154
• Total Bases: George Brett, 5,044
• Doubles: George Brett, 665
• Triples: George Brett, 137
• Home Runs: George Brett, 317
• RBI: George Brett, 1,595
• Walks: George Brett, 1,096
• Strikeouts: Frank White, 1,035
• Stolen Bases: Willie Wilson, 612
• Singles: George Brett, 2,035
• Runs Created: George Brett, 1,892
• Extra-Base Hits: George Brett, 1,119
• Times on Base: George Brett, 4,283
• Hit By Pitch: Mike Macfarlane, 78
• Sacrifice Hits: Frank White, 101
• Sacrifice Flies: George Brett, 120
• Intentional Walks: George Brett, 229
• Grounded into Double Plays: George Brett, 235
• At Bats per Strikeout: Cookie Rojas, 13.0
• At Bats per Home Run: Steve Balboni, 16.8
• Outs: George Brett, 7,673

Pitching

• ERA: Dan Quisenberry, 2.55
• Wins: Paul Splittorff, 166
• Won-Loss%: Al Fitzmorris, .593
• WHIP: Bret Saberhagen, 1.134
• Hits Allowed/9IP: Jeff Montgomery, 8.05
• Walks/9IP: Dan Quisenberry, 1.36
• Strikeouts/9IP: Tom Gordon, 7.82
• Games: Jeff Montgomery, 686
• Saves: Jeff Montgomery, 304
• Innings: Paul Splittorff, 2,554 ⅔
• Strikeouts: Kevin Appier, 1,458
• Games Started: Paul Splittorff, 392
• Complete Games: Dennis Leonard, 103
• Shutouts: Dennis Leonard, 23
• Home Runs Allowed: Dennis Leonard, 202
• Walks Allowed: Mark Gubicza, 783
• Hits Allowed: Paul Splittorff, 2,644
• Strikeout to Walk: Bret Saberhagen, 3.30
• Losses: Paul Splittorff, 143
• Earned Runs Allowed: Paul Splittorff, 1,082
• Wild Pitches: Mark Gubicza, 107
• Hit Batsmen: Mark Gubicza, 58
• Batters Faced: Paul Splittorff, 10,824
• Games Finished: Jeff Montgomery, 543

Team Records

Batting

• Highest team batting average: .288 in 2000

• Lowest team batting average: .240 in 1969
• Highest team slugging average: .436 in 1977
• Highest team on-base percentage: .348 in 1999 and

• Total Hits: 1,644 in 2000

• Extra-base hits: 522 in 1977

• Hits in a game: 26 vs. Detroit on September 9, 2004 (first game)

• Longest individual hitting streak: 30, George Brett 1980

• Most .300 hitters in a single season: 4 in 2000

• Home runs: 168 in 1987

• Home runs in a month: 12, John Mayberry, July 1975 and Chili Davis, August 1997