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Progressive OSLG
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
Bold - Indicates active player
Year    Career OSLG    Single-Season OSLG    Active OSLG    Yearly OSLG 
1930      Ray Benge .3146      Ray Benge .3146 
1931      Hub Pruett .2887      Hub Pruett .2887 
1932    Dizzy Dean * .3513    Hub Pruett .2887    Dizzy Dean * .3513    Hub Pruett .2989 
1933    Hub Pruett .3029    Hub Pruett .2887    Hub Pruett .3029    Hub Pruett .2945 
1934    Hub Pruett .3020    Hub Pruett .2887    Hub Pruett .3020    Hub Pruett .2971 
1935    Hub Pruett .3041    Hub Pruett .2887    Hub Pruett .3041    Carl Hubbell .3239 
1936    Hub Pruett .3104    Hub Pruett .2887    Hub Pruett .3104    Pete Appleton .3432 
1937    Hub Pruett .3107    Hub Pruett .2887    Hub Pruett .3107    Hub Pruett .3126 
1938    Hub Pruett .3167    Hub Pruett .2887    Hub Pruett .3167    Johnny Vander Meer .3141 
1939    Hub Pruett .3191    Hub Pruett .2887    Hub Pruett .3191    Van Mungo .3216 
1940    Hub Pruett .3191    Hub Pruett .2887    Ed Baecht .3515    Max Lanier .3187 
1941    Hub Pruett .3191    Hub Pruett .2887    Johnny Vander Meer .3320    Larry French .3237 
1942    Hub Pruett .3191    Hub Pruett .2887    Max Lanier .3334    Frank Barrett .3126 
1943    Hub Pruett .3191    Hub Pruett .2887    Max Lanier .3351    Earl Johnson * .3151 
1944    Hub Pruett .3191    Hub Pruett .2887    Earl Johnson * .3359    Earl Johnson * .2943 
1945    Hub Pruett .3191    Hub Pruett .2887    Max Lanier .3352    Max Lanier .3184 
1946    Hub Pruett .3191    Earl Johnson * .2864    Earl Johnson * .3280    Earl Johnson * .2864 
1947    Hub Pruett .3191    Earl Johnson * .2864    Earl Johnson * .3247    Jack Salveson .3015 
1948    Hub Pruett .3191    Earl Johnson * .2864    Earl Johnson * .3212    Earl Johnson * .2958 
1949    Hub Pruett .3191    Earl Johnson * .2864    Earl Johnson * .3223    Warren Spahn * .2880 
1950    Warren Spahn * .3188    Warren Spahn * .2641    Warren Spahn * .3188    Warren Spahn * .2641 
1951    Warren Spahn * .3149    Warren Spahn * .2641    Warren Spahn * .3149    Warren Spahn * .2901 
1952    Warren Spahn * .3131    Warren Spahn * .2641    Warren Spahn * .3131    Warren Spahn * .3006 
1953    Warren Spahn * .3073    Warren Spahn * .2587    Warren Spahn * .3073    Warren Spahn * .2587 
1954    Warren Spahn * .3056    Warren Spahn * .2587    Warren Spahn * .3056    Warren Spahn * .2905 
1955    Warren Spahn * .3033    Warren Spahn * .2587    Warren Spahn * .3033    Warren Spahn * .2772 
1956    Warren Spahn * .3016    Warren Spahn * .2587    Warren Spahn * .3016    Warren Spahn * .2828 
1957    Warren Spahn * .3012    Warren Spahn * .2587    Warren Spahn * .3012    Dean Stone .2886 
1958    Warren Spahn * .3021    Warren Spahn * .2587    Warren Spahn * .3021    Gene Conley * .2959 
1959    Warren Spahn * .3031    Warren Spahn * .2587    Warren Spahn * .3031    Gene Conley * .2763 
1960    Warren Spahn * .3064    Warren Spahn * .2587    Warren Spahn * .3064    Chuck Stobbs * .2591 
1961    Warren Spahn * .3064    Tom Qualters .2399    Gene Conley * .3131    Tom Qualters .2399 
1962    Tom Qualters .3000    Tom Qualters .2399    Tom Qualters .3000    Tom Qualters .2739 
1963    Tom Qualters .2973    Tom Qualters .2399    Tom Qualters .2973    Charlie Beamon .2818 
1964    Tom Qualters .2966    Tom Qualters .2399    Tom Qualters .2966    Charlie Beamon .2473 
1965    Charlie Beamon .2693    Charlie Beamon .2311    Charlie Beamon .2693    Charlie Beamon .2311 
1966    Charlie Beamon .2792    Charlie Beamon .2311    Charlie Beamon .2792    Hal Reniff .2610 
1967    Charlie Beamon .2888    Charlie Beamon .2311    Charlie Beamon .2888    Jim Brewer * .2658 
1968    Tom Qualters .2909    Charlie Beamon .2311    Tom Qualters .2909    Hal Reniff .2606 
1969    Tom Qualters .2885    Charlie Beamon .2311    Tom Qualters .2885    Tom Qualters .2524 
1970    Tom Qualters .2889    Charlie Beamon .2311    Tom Qualters .2889    Rollie Fingers .2857 
1971    Tom Qualters .2909    Charlie Beamon .2311    Tom Qualters .2909    Sandy Koufax * .2718 
1972    Tom Qualters .2932    Charlie Beamon .2311    Tom Qualters .2932    John Hiller .2313 
1973    Hal Reniff .2955    Charlie Beamon .2311    Hal Reniff .2955    John Hiller .2789 
1974    Tom Qualters .2978    Charlie Beamon .2311    Hal Reniff .2981    J.R. Richard * .2849 
1975    Hal Reniff .2974    Charlie Beamon .2311    Hal Reniff .2974    Bill Butler .2511 
1976    Tom Qualters .2978    Charlie Beamon .2311    Hal Reniff .2982    John Hiller .2876 
1977    Tom Qualters .2978    Charlie Beamon .2311    Hal Reniff .2984    Bill Butler .2808 
1978    Tom Qualters .2978    Charlie Beamon .2311    Hal Reniff .2993    Bill Butler .2944 
1979    Tom Qualters .2978    Charlie Beamon .2311    John Hiller .3086    Mike Torrez .2510 
1980    Tom Qualters .2978    Charlie Beamon .2311    J.R. Richard * .3128    Greg Minton .2695 
1981    Tom Qualters .2978    Charlie Beamon .2311    J.R. Richard * .3114    Bill Slayback .2821 
1982    Tom Qualters .2978    Charlie Beamon .2311    Lance Rautzhan .3093    Bill Slayback .2859 
1983    Tom Qualters .2978    Charlie Beamon .2311    J.R. Richard * .3109    John Denny .2648 
1984    Tom Qualters .2978    Charlie Beamon .2311    J.R. Richard * .3079    J.R. Richard * .2743 
1985    Tom Qualters .2978    Charlie Beamon .2311    J.R. Richard * .3088    Lance Rautzhan .2778 
1986    Tom Qualters .2978    Charlie Beamon .2311    J.R. Richard * .3095    Ken Dayley .2895 
1987    Tom Qualters .2978    Charlie Beamon .2311    Lance Rautzhan .3075    Duane Ward .2708 
1988    Tom Qualters .2978    Charlie Beamon .2311    Lance Rautzhan .3089    Rich Bordi .2827 
1989    Tom Qualters .2978    Charlie Beamon .2311    Lance Rautzhan .3082    Dwight Gooden .2806 
1990    Tom Qualters .2978    Charlie Beamon .2311    Lance Rautzhan .3087    Duane Ward .2805 
 
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