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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
Roger L. Attfield 1 1 1 0 0 0 0% 0% $0 $0 $0 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 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Roger L. Attfield 11 42 3.82 8 6 6 19.05% 47.62% $556,318 $13,246 $50,574 1 1

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
Roger L. Attfield 23 77 3.35 7 8 6 9.09% 27.27% $449,589 $5,839 $19,547 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
Roger L. Attfield 27 95 3.52 10 9 13 10.53% 33.68% $1,206,421 $12,699 $44,682 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
Roger L. Attfield 27 108 4 20 11 15 18.52% 42.59% $2,298,011 $21,278 $85,112 6 8

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
Roger L. Attfield 36 141 3.92 20 16 15 14.18% 36.17% $1,131,717 $8,026 $31,437 2 2

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
Roger L. Attfield 45 168 3.73 17 20 18 10.12% 32.74% $1,213,959 $7,226 $26,977 4 4

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
Roger L. Attfield 44 171 3.89 26 27 23 15.2% 44.44% $1,821,336 $10,651 $41,394 5 9

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
Roger L. Attfield 43 172 4 20 23 23 11.63% 38.37% $1,474,278 $8,571 $34,286 3 5

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
Roger L. Attfield 56 233 4.16 39 26 30 16.74% 40.77% $2,361,352 $10,135 $42,167 3 9

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
Roger L. Attfield 53 204 3.85 39 24 23 19.12% 42.16% $2,508,391 $12,296 $47,328 5 11

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
Roger L. Attfield 57 208 3.65 40 27 25 19.23% 44.23% $2,740,394 $13,175 $48,077 6 10

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
Roger L. Attfield 49 184 3.76 13 19 29 7.07% 33.15% $1,402,286 $7,621 $28,618 0 3

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
Roger L. Attfield 50 191 3.82 25 24 22 13.09% 37.17% $2,066,284 $10,818 $41,326 5 6

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
Roger L. Attfield 57 217 3.81 28 33 29 12.9% 41.47% $2,673,802 $12,322 $46,909 4 6

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
Roger L. Attfield 74 280 3.78 55 45 48 19.64% 52.86% $5,428,246 $19,387 $73,355 9 15

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
Roger L. Attfield 80 288 3.6 54 46 41 18.75% 48.96% $5,069,136 $17,601 $63,364 11 21

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
Roger L. Attfield 60 249 4.15 55 33 33 22.09% 48.59% $4,064,272 $16,322 $67,738 4 15

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
Roger L. Attfield 52 275 5.29 49 31 38 17.82% 42.91% $4,125,092 $15,000 $79,329 3 13

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
Roger L. Attfield 55 285 5.18 36 26 32 12.63% 32.98% $2,380,448 $8,352 $43,281 3 7

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 17 84 4.94 8 8 5 9.52% 25% $87,942 $1,047 $5,173 0 0
Roger L. Attfield 56 239 4.27 32 19 38 13.39% 37.24% $1,858,811 $7,777 $33,193 5 6

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 55 3.93 4 6 5 7.27% 27.27% $70,096 $1,274 $5,007 0 0
Roger L. Attfield 57 278 4.88 33 30 35 11.87% 35.25% $2,506,089 $9,015 $43,966 3 7

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 46 3.07 5 3 7 10.87% 32.61% $93,466 $2,032 $6,231 0 0
Roger L. Attfield 57 292 5.12 35 36 35 11.99% 36.3% $2,777,942 $9,514 $48,736 1 5

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 52 4 7 5 5 13.46% 32.69% $121,585 $2,338 $9,353 0 0
Roger L. Attfield 66 330 5 32 44 50 9.7% 38.18% $2,993,896 $9,072 $45,362 2 3

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 10 42 4.2 3 7 6 7.14% 38.1% $76,312 $1,817 $7,631 0 0
Roger L. Attfield 88 361 4.1 60 56 48 16.62% 45.43% $4,564,221 $12,643 $51,866 2 9

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 19 105 5.53 14 18 12 13.33% 41.9% $364,633 $3,473 $19,191 0 1
Roger L. Attfield 75 319 4.25 53 51 28 16.61% 41.38% $3,840,755 $12,040 $51,210 3 11

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
Roger L. Attfield 68 307 4.51 51 40 47 16.61% 44.95% $3,415,919 $11,127 $50,234 1 11

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
Roger L. Attfield 73 295 4.04 47 47 42 15.93% 46.1% $2,095,360 $7,103 $28,704 0 6

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 29 146 5.03 19 15 15 13.01% 33.56% $381,591 $2,614 $13,158 0 1
Roger L. Attfield 65 324 4.98 54 52 46 16.67% 46.91% $2,275,105 $7,022 $35,002 0 5

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 23 136 5.91 18 18 15 13.24% 37.5% $401,086 $2,949 $17,439 0 1
Roger L. Attfield 79 339 4.29 54 41 52 15.93% 43.36% $2,507,283 $7,396 $31,738 2 11

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 27 132 4.89 14 13 12 10.61% 29.55% $243,413 $1,844 $9,015 0 0
Roger L. Attfield 88 340 3.86 62 50 47 18.24% 46.76% $1,878,445 $5,525 $21,346 0 7

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 21 131 6.24 17 20 17 12.98% 41.22% $375,040 $2,863 $17,859 0 1
Roger L. Attfield 83 347 4.18 73 50 43 21.04% 47.84% $3,221,490 $9,284 $38,813 6 18

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 14 100 7.14 16 14 19 16% 49% $260,253 $2,603 $18,590 0 0
Roger L. Attfield 78 344 4.41 63 58 52 18.31% 50.29% $2,823,494 $8,208 $36,199 6 16

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 21 137 6.52 14 15 21 10.22% 36.5% $200,368 $1,463 $9,541 0 0
Roger L. Attfield 74 354 4.78 82 53 47 23.16% 51.41% $4,475,106 $12,642 $60,474 7 27

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 32 152 4.75 20 13 14 13.16% 30.92% $163,005 $1,072 $5,094 0 0
Roger L. Attfield 70 301 4.3 59 49 38 19.6% 48.5% $2,383,032 $7,917 $34,043 4 14

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 29 187 6.45 31 14 24 16.58% 36.9% $235,718 $1,261 $8,128 0 0
Roger L. Attfield 50 196 3.92 45 37 28 22.96% 56.12% $1,955,609 $9,978 $39,112 3 13