Runs scored

A Run Scored (or a Run, and abbreviated R) is credited to a runner that crosses home plate. The objective of baseball is of course to score more runs than the opposing team.

All Time Leaders
Span	Player	Total	Notes
Career	Rickey Henderson	2295
Season	Billy Hamilton	196	1894
Season (since 1900)	Babe Ruth	177	1921
Game	Guy Hecker	7	August 15, 1886
NPB Career	Sadaharu Oh	1967
NPB Season	Makoto Kozuru	143	1950
Minor League Career	Spencer Harris	2287
Minor League Season	Rasty Wright	217	1894
Minor League Season (since 1900)	Tony Lazzeri	202	1925
AAGPBL Career	Sophie Kurys	688
AAGPBL Season	Sophie Kurys	117	1946
AAGPBL Game	Sophie Kurys	5	June 13, 1946

Further Reading

• Herb Krabbenhoft et. al.: "Discrepancy in an All-Time MLB Record: Billy Hamilton's 1894 Runs Scored", The Baseball Research Journal, SABR, Volume 45, Number 2 (Fall 2016), pp. 108-114.