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| Progressive Slugging 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 446PA requirement. Bold - Indicates active player |
| Year | Career | SLG | Single-Season | SLG | Active | SLG | Yearly | SLG |
| 1952 | Pedro Savino | .6885 | Pedro Savino | .6885 | ||||
| 1953 | Pedro Savino | .7763 | Pedro Savino | .7763 | ||||
| 1954 | Pedro Savino | .7763 | Pedro Savino | .7262 | ||||
| 1955 | Pedro Savino | .7763 | Pedro Savino | .7516 | ||||
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