Single-Season Slugging Pct
Leaderboard
 
* - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement.
Rank    Player Slugging Pct PA Year Career Leaderboard
1.    Bill Duggins * .6992 605 1910  
2.    Red Vedder * .6798 504 1910  
3.    Red Vedder * .6541 630 1911  
4.    Geoff Thau .6316 628 1918  
5.    Michael Monet .6294 632 1918  
6.    Red Vedder * .6291 633 1907  
7.    Clair Maren .6276 585 1911  
8.    Bull Beltz .6262 626 1922  
9.    Led Culligan .6185 618 1913  
10.    Bull Beltz .6168 649 1920  
11.    Montague Gherkin .6147 656 1920  
12.    Rocko Jestari .6147 506 1915  
13.    Scott Howland .6139 639 1921  
14.    Red Vedder * .6125 637 1908  
15.    Thomas Hazley .6107 614 1913  
16.    Perry Havnot .6072 600 1924  
17.    Dell Bradley * .5954 653 1901  
18.    Michael Monet .5936 646 1914  
19.    Albert Norton .5910 633 1924  
20.    Red Vedder * .5905 634 1905  
21.    Michael Monet .5885 629 1912  
22.    Randy Hagler .5868 624 1917  
23.    R.J. Hill .5861 644 1922  
24.    Paul Mudd .5857 633 1922  
25.    R.J. Hill .5850 625 1920  
26.    Dell Bradley * .5841 630 1900  
27.    Led Culligan .5823 647 1911  
28.    Sev Nixon * .5822 661 1902  
29.    Red Vedder * .5814 641 1909  
30.    Dom Llewellen .5811 610 1914  
31.    Napoleon Resendiz * .5804 532 1912  
32.    Rom Lager .5801 638 1920  
33.    Clair Maren .5795 560 1914  
34.    Randy Hagler .5787 643 1920  
35.    R.J. Hill .5787 620 1923  
36.    Zack Donelson .5784 630 1913  
37.    Henry Steele * .5757 640 1909  
38.    Jim Ohler * .5746 648 1904  
39.    Geoff Thau .5737 608 1914  
40.    Lor Pauley * .5737 618 1905  
41.    Mickey Hazzard .5734 604 1920  
42.    Bull Beltz .5730 645 1919  
43.    Rocko Jestari .5722 630 1914  
44.    Colby Peters .5721+ 473 1902  
45.    Risk Pelgrain .5714 591 1909  
46.    Red Vedder * .5712 641 1912  
47.    Red Vedder * .5709 553 1906  
48.    Dana Child .5689 645 1923  
49.    R.J. Hill .5684 611 1916  
50.    Dave Koors .5675 623 1916  
51.    Henry Steele * .5671 646 1908  
  Lor Pauley * .5671 672 1902  
53.    Michael Monet .5670 658 1913  
54.    Randy Hagler .5664 652 1921  
55.    Saluki Easterlee .5651 629 1911  
56.    James Wheel .5651 648 1924  
57.    R.J. Hill .5647 597 1917  
58.    Tommy Saunders .5642 559 1918  
59.    Michael Monet .5636 638 1921  
60.    Dell Bradley * .5613 662 1902  
61.    Jim Ohler * .5611 667 1900  
62.    Gil Galad .5610 626 1924  
63.    Lor Pauley * .5608 672 1900  
64.    Gil Galad .5603 629 1922  
65.    Joe Turner * .5599 620 1910  
66.    Andy Cook .5574 636 1901  
67.    John Shotwell .5574 652 1900  
68.    Herman Seidel .5558 637 1923  
69.    Herman Seidel .5547 602 1921  
70.    Henry Steele * .5546 639 1912  
71.    Saluki Easterlee .5543 631 1913  
72.    Michael Monet .5540 651 1916  
73.    Clair Maren .5533 594 1912  
74.    Zack Donelson .5531 622 1912  
75.    Gil Galad .5519 628 1920  
76.    Napoleon Resendiz * .5511 621 1909  
77.    Michael Monet .5509 558 1924  
78.    Randy Hagler .5492 620 1922  
79.    Dom Llewellen .5482 617 1913  
80.    Michael Monet .5477 654 1917  
81.    Jim Ohler * .5476 604 1909  
82.    Ken Pinkerton .5474 601 1918  
83.    Montague Gherkin .5466 625 1921  
84.    Zack Donelson .5460 618 1914  
85.    James Wheel .5460 618 1921  
86.    Rom Lager .5451 623 1919  
87.    Scott Howland .5448+ 479 1922  
88.    Rocko Jestari .5446 629 1916  
89.    Davie Rand .5443 626 1923  
90.    Dave Koors .5440 601 1915  
91.    Riley Gibson * .5439 655 1904  
92.    Roger Rhodes .5439 635 1912  
93.    Randy Hagler .5436 662 1918  
94.    Riley Gibson * .5428 620 1911  
95.    Ken Devine .5418 594 1919  
96.    Colby Peters .5414 625 1901  
97.    Red Vedder * .5407 628 1904  
98.    Chet Toland .5405 619 1920  
99.    Willard Sumner .5405 626 1923  
100.    Marcus Inman .5402 651 1923