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Progressive On-Base Pct Leaderboard

This table is a snapshot of the career, single-season, active, and yearly leaders at the end of each season.

* - Indicates Hall of Fame + - indicates hit-less at-bats added to meet 502PA requirement. Bold - Indicates active player

Year	Career	OBP	Single-Season	OBP	Active	OBP	Yearly	OBP
1901			Honus Wagner *	.4566			Honus Wagner *	.4566
1902			Roy Thomas	.4680			Roy Thomas	.4680
1903			Roy Thomas	.4680			Roy Thomas	.4637
1904			Roy Thomas	.4680			Roy Thomas	.4341
1905	Elmer Flick *	.4137	Roy Thomas	.4680	Elmer Flick *	.4137	Honus Wagner *	.4633
1906	Roy Thomas	.4270	Roy Thomas	.4680	Roy Thomas	.4270	Mike Donlin *	.4223
1907	Honus Wagner *	.4200	Roy Thomas	.4680	Honus Wagner *	.4200	Tim Jordan	.4205
1908	Honus Wagner *	.4123	Roy Thomas	.4680	Honus Wagner *	.4123	Jimmy Williams *	.4074
1909	Roy Thomas	.4094	Roy Thomas	.4680	Roy Thomas	.4094	Ty Cobb *	.4452
1910	Roy Thomas	.4049	Roy Thomas	.4680	Roy Thomas	.4049	Jim Delahanty *	.4257
1911	Roy Thomas	.4049	Joe Jackson *	.5072	Mike Donlin *	.3974	Joe Jackson *	.5072
1912	Joe Jackson *	.4137	Joe Jackson *	.5072	Joe Jackson *	.4137	Joe Jackson *	.4825
1913	Joe Jackson *	.4255	Joe Jackson *	.5072	Joe Jackson *	.4255	Joe Jackson *	.4834
1914	Joe Jackson *	.4360	Joe Jackson *	.5072	Joe Jackson *	.4360	Joe Jackson *	.4963
1915	Joe Jackson *	.4376	Joe Jackson *	.5072	Joe Jackson *	.4376	Joe Jackson *	.4494
1916	Joe Jackson *	.4419	Joe Jackson *	.5072	Joe Jackson *	.4419	Joe Jackson *	.4758
1917	Joe Jackson *	.4429	Joe Jackson *	.5072	Joe Jackson *	.4429	Joe Jackson *	.4521
1918	Joe Jackson *	.4457	Joe Jackson *	.5072	Joe Jackson *	.4457	Joe Jackson *	.4741
1919	Joe Jackson *	.4431	Joe Jackson *	.5072	Joe Jackson *	.4431	Babe Ruth	.4238
1920	Joe Jackson *	.4411	Joe Jackson *	.5072	Joe Jackson *	.4411	Johnny Bassler	.4182
1921	Joe Jackson *	.4419	Joe Jackson *	.5072	Joe Jackson *	.4419	Joe Jackson *	.4529
1922	Joe Jackson *	.4404	Joe Jackson *	.5072	Joe Jackson *	.4404	Elmer Smith	.4290
1923	Joe Jackson *	.4407	Joe Jackson *	.5072	Joe Jackson *	.4407	John Beckwith	.4383
1924	Joe Jackson *	.4386	Joe Jackson *	.5072	Joe Jackson *	.4386	Hank Hulvey	.4925
1925	Joe Jackson *	.4385	Joe Jackson *	.5072	Joe Jackson *	.4385	Hank Hulvey	.4888
1926	Joe Jackson *	.4359	Joe Jackson *	.5072	Joe Jackson *	.4359	Hank Hulvey	.4724
1927	Joe Jackson *	.4321	Joe Jackson *	.5072	Joe Jackson *	.4321	Hank Hulvey	.4517
1928	Hank Hulvey	.4671	Joe Jackson *	.5072	Hank Hulvey	.4671	Hank Hulvey	.4532
1929	Hank Hulvey	.4702	Joe Jackson *	.5072	Hank Hulvey	.4702	Hank Hulvey	.4854

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