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Trainer Comparison

Statistics by Year:
Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John W. Sadler 76 193 2.54 35 35 26 18.13% 49.74% $2,684,296 $13,908 $35,320 2 7
Mario Roberto Lopez 30 100 3.33 9 7 8 9% 24% $197,629 $1,976 $6,588 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John W. Sadler 100 330 3.3 70 60 46 21.21% 53.33% $5,502,911 $16,675 $55,029 2 11
Mario Roberto Lopez 31 93 3 9 6 11 9.68% 27.96% $197,398 $2,123 $6,368 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John W. Sadler 106 321 3.03 59 62 42 18.38% 50.78% $4,558,274 $14,200 $43,003 3 8
Mario Roberto Lopez 42 155 3.69 10 12 15 6.45% 23.87% $269,566 $1,739 $6,418 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John W. Sadler 128 383 2.99 55 62 67 14.36% 48.04% $3,722,173 $9,718 $29,079 3 10
Mario Roberto Lopez 39 141 3.62 13 20 16 9.22% 34.75% $269,586 $1,912 $6,912 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John W. Sadler 126 418 3.32 68 65 58 16.27% 45.69% $8,959,895 $21,435 $71,110 9 14
Mario Roberto Lopez 17 53 3.12 6 3 2 11.32% 20.75% $114,179 $2,154 $6,716 0 0

Name Starters Starts Starts/
Starter 		1st 2nd 3rd Win % % 1st, 2nd or 3rd Earned Avg Earnings per Start Avg Earnings Per Starter Graded Stakes Win All Black-Type Win
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
John W. Sadler 133 415 3.12 81 54 64 19.52% 47.95% $6,227,005 $15,005 $46,820 7 14
Mario Roberto Lopez 8 12 1.5 2 0 2 16.67% 33.33% $33,955 $2,830 $4,244 0 0