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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Chad Armstrong# | 1.110 | 2015 | |
| 2 | Chad Armstrong# | 1.091 | 2019 | |
| 3 | Brad Perry# | 1.088 | 2015 | |
| 3 | Chad Armstrong# | 1.088 | 2018 | |
| 5 | Charles Waller# | 1.082 | 2017 | |
| 5 | Donald Thompson# | 1.082 | 2018 | |
| 7 | Yoshiyuki Sasaki# | 1.079 | 2019 | |
| 8 | Jim Morris# | 1.073 | 2015 | |
| 8 | José Rodríguez# | 1.073 | 2014 | |
| 10 | Min-heui Im# | 1.064 | 2019 | |
| 11 | Donald Thompson# | 1.063 | 2017 | |
| 12 | Chris Smith# | 1.057 | 2014 | |
| 13 | Min-heui Im# | 1.056 | 2017 | |
| 14 | Donald Thompson# | 1.054 | 2016 | |
| 14 | José Rodríguez# | 1.054 | 2013 | |
| 16 | Yosuke Kiyomizu# | 1.052 | 2017 | |
| 17 | Keith Bridges# | 1.051 | 2018 | |
| 17 | Chris Smith# | 1.051 | 2013 | |
| 19 | Min-heui Im# | 1.050 | 2015 | |
| 20 | Rob House | 1.048 | 2013 | |
| 21 | José Rodríguez | 1.044 | 2013 | |
| 22 | Donald Thompson# | 1.042 | 2019 | |
| 23 | Rob House | 1.041 | 2014 | |
| 24 | Chris Smith# | 1.040 | 2017 | |
| 25 | Min-heui Im# | 1.036 | 2018 | |
| 26 | Chad Armstrong# | 1.034 | 2014 | |
| 26 | Chad Armstrong# | 1.034 | 2017 | |
| 28 | César Durán# | 1.031 | 2013 | |
| 29 | Jeffrey Barker | 1.025 | 2014 | |
| 30 | Chad Armstrong# | 1.023 | 2013 | |
| 30 | Chad Armstrong# | 1.023 | 2016 | |
| 32 | Chris Smith# | 1.022 | 2015 | |
| 33 | Chris Smith# | 1.021 | 2016 | |
| 34 | Mike Silver# | 1.013 | 2018 | |
| 34 | Eduardo Alvarado# | 1.013 | 2018 | |
| 36 | Kenneth Chapman# | 1.004 | 2016 | |
| 37 | Juan Alvarado# | 1.002 | 2018 | |
| 38 | Min-heui Im# | 0.998 | 2016 | |
| 39 | José Rodríguez# | 0.990 | 2019 | |
| 40 | Kenneth Chapman# | 0.987 | 2017 | |
| 41 | John Boone# | 0.985 | 2013 | |
| 42 | Ted Beck# | 0.977 | 2014 | |
| 43 | Mike Silver# | 0.974 | 2019 | |
| 44 | Lockwood Rose# | 0.969 | 2013 | |
| 45 | César Durán# | 0.967 | 2014 | |
| 45 | Michael Neely# | 0.967 | 2019 | |
| 47 | José Rodríguez# | 0.966 | 2016 | |
| 48 | Lockwood Rose# | 0.961 | 2016 | |
| 49 | Rubén López# | 0.960 | 2018 | |
| 49 | Yoshiyuki Sasaki# | 0.960 | 2018 | |
| 51 | Alfred Roberts | 0.959 | 2013 | |
| 52 | Mike Silver# | 0.954 | 2017 | |
| 53 | Kenneth Chapman# | 0.947 | 2018 | |
| 54 | Kenneth Chapman# | 0.945 | 2015 | |
| 55 | Kenneth Chapman# | 0.943 | 2019 | |
| 56 | Lockwood Rose# | 0.940 | 2015 | |
| 57 | Ron Goodwin# | 0.937 | 2013 | |
| 58 | Mike Silver# | 0.933 | 2016 | |
| 59 | Lockwood Rose# | 0.911 | 2014 | |
| 60 | Rubén López# | 0.892 | 2019 | |
| 61 | Ron Goodwin# | 0.891 | 2014 | |
| 62 | John Hill | 0.859 | 2017 |
