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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
Robert R. O'Connor II 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Mark L. Tasso 2 2 1 0 0 0 0% 0% $825 $413 $413 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
Robert R. O'Connor II 8 15 1.88 1 2 0 6.67% 20% $23,117 $1,541 $2,890 0 0
Mark L. Tasso 7 27 3.86 3 2 2 11.11% 25.93% $55,536 $2,057 $7,934 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
Robert R. O'Connor II 14 44 3.14 2 3 4 4.55% 20.45% $154,133 $3,503 $11,010 0 0
Mark L. Tasso 11 64 5.82 5 13 8 7.81% 40.63% $146,231 $2,285 $13,294 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
Robert R. O'Connor II 12 68 5.67 9 8 10 13.24% 39.71% $252,181 $3,709 $21,015 0 0
Mark L. Tasso 6 34 5.67 3 1 8 8.82% 35.29% $74,726 $2,198 $12,454 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
Robert R. O'Connor II 14 65 4.64 10 9 7 15.38% 40% $256,710 $3,949 $18,336 0 1
Mark L. Tasso 8 38 4.75 4 5 8 10.53% 44.74% $77,521 $2,040 $9,690 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
Robert R. O'Connor II 15 54 3.6 2 7 15 3.7% 44.44% $94,760 $1,755 $6,317 0 0
Mark L. Tasso 8 30 3.75 3 2 4 10% 30% $40,148 $1,338 $5,019 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
Robert R. O'Connor II 13 51 3.92 4 9 9 7.84% 43.14% $146,292 $2,868 $11,253 0 0
Mark L. Tasso 8 38 4.75 7 4 4 18.42% 39.47% $69,097 $1,818 $8,637 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
Robert R. O'Connor II 11 57 5.18 4 6 9 7.02% 33.33% $129,599 $2,274 $11,782 0 0
Mark L. Tasso 12 54 4.5 6 7 10 11.11% 42.59% $85,537 $1,584 $7,128 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
Robert R. O'Connor II 16 59 3.69 6 5 9 10.17% 33.9% $123,910 $2,100 $7,744 0 0
Mark L. Tasso 11 57 5.18 7 8 7 12.28% 38.6% $119,218 $2,092 $10,838 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
Robert R. O'Connor II 16 62 3.88 4 12 7 6.45% 37.1% $150,161 $2,422 $9,385 0 0
Mark L. Tasso 7 57 8.14 6 12 6 10.53% 42.11% $104,786 $1,838 $14,969 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
Robert R. O'Connor II 15 55 3.67 7 11 8 12.73% 47.27% $203,849 $3,706 $13,590 0 0
Mark L. Tasso 18 106 5.89 24 19 15 22.64% 54.72% $264,110 $2,492 $14,673 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
Robert R. O'Connor II 14 70 5 8 11 9 11.43% 40% $128,400 $1,834 $9,171 0 0
Mark L. Tasso 16 85 5.31 12 17 10 14.12% 45.88% $145,149 $1,708 $9,072 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
Robert R. O'Connor II 22 89 4.05 9 9 17 10.11% 39.33% $134,051 $1,506 $6,093 0 0
Mark L. Tasso 9 34 3.78 3 1 9 8.82% 38.24% $32,970 $970 $3,663 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
Robert R. O'Connor II 18 85 4.72 11 19 12 12.94% 49.41% $148,549 $1,748 $8,253 0 0
Mark L. Tasso 3 19 6.33 3 3 2 15.79% 42.11% $26,635 $1,402 $8,878 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
Robert R. O'Connor II 26 75 2.88 10 13 7 13.33% 40% $178,516 $2,380 $6,866 0 0
Mark L. Tasso 9 34 3.78 6 4 3 17.65% 38.24% $54,865 $1,614 $6,096 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
Robert R. O'Connor II 27 111 4.11 21 25 13 18.92% 53.15% $306,700 $2,763 $11,359 0 0
Mark L. Tasso 12 22 1.83 0 1 1 0% 9.09% $9,864 $448 $822 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
Robert R. O'Connor II 24 104 4.33 10 19 12 9.62% 39.42% $233,762 $2,248 $9,740 0 0
Mark L. Tasso 3 4 1.33 0 2 0 0% 50% $4,371 $1,093 $1,457 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
Robert R. O'Connor II 19 88 4.63 22 14 11 25% 53.41% $244,404 $2,777 $12,863 0 0
Mark L. Tasso 4 10 2.5 0 1 1 0% 20% $4,207 $421 $1,052 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
Robert R. O'Connor II 14 70 5 5 12 12 7.14% 41.43% $89,164 $1,274 $6,369 0 0
Mark L. Tasso 5 6 1.2 1 0 0 16.67% 16.67% $7,123 $1,187 $1,425 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
Robert R. O'Connor II 14 75 5.36 9 10 5 12% 32% $194,958 $2,599 $13,926 0 0
Mark L. Tasso 16 92 5.75 6 9 11 6.52% 28.26% $66,802 $726 $4,175 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
Robert R. O'Connor II 22 110 5 14 7 12 12.73% 30% $333,688 $3,034 $15,168 0 1
Mark L. Tasso 11 47 4.27 11 8 5 23.4% 51.06% $83,753 $1,782 $7,614 0 0