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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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 2 2 0 1 0 0% 50% $9,360 $4,680 $9,360 0 0
Roger L. Attfield 5 6 1.2 0 0 0 0% 0% $26,100 $4,350 $5,220 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 6 3 0 1 0 0% 16.67% $20,247 $3,375 $10,124 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 7 3.5 0 1 2 0% 42.86% $37,106 $5,301 $18,553 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 9 4.5 0 1 2 0% 33.33% $42,853 $4,761 $21,427 0 0
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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 4 2 0 0 0 0% 0% $878 $220 $439 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 5 19 3.8 0 2 0 0% 10.53% $23,839 $1,255 $4,768 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 9 4.5 0 0 0 0% 0% $3,688 $410 $1,844 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 4 17 4.25 0 0 0 0% 0% $3,919 $231 $980 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 4 13 3.25 0 0 0 0% 0% $2,348 $181 $587 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 12 12 0 0 2 0% 16.67% $6,754 $563 $6,754 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 6 6 0 0 0 0% 0% $2,656 $443 $2,656 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 9 9 0 0 0 0% 0% $2,051 $228 $2,051 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 2 2 0 0 0 0% 0% $126 $63 $126 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 4 2 0 0 0 0% 0% $512 $128 $256 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 1 1 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 9 4.5 0 0 1 0% 11.11% $14,410 $1,601 $7,205 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 4 4 0 0 0 0% 0% $1,320 $330 $1,320 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 6 6 1 0 1 16.67% 33.33% $12,760 $2,127 $12,760 0 0
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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 3 17 5.67 0 1 1 0% 11.76% $7,580 $446 $2,527 0 0
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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 4 17 4.25 1 0 2 5.88% 17.65% $16,220 $954 $4,055 0 0
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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 4 15 3.75 0 1 1 0% 13.33% $13,205 $880 $3,301 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 2 6 3 0 1 1 0% 33.33% $8,120 $1,353 $4,060 0 0
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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 8 8 0 0 1 0% 12.5% $2,040 $255 $2,040 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 1 1 1 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 3 5 1.67 0 0 0 0% 0% $0 $0 $0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Oliver P. Hosang, Jr. 4 26 6.5 0 1 0 0% 3.85% $3,346 $129 $837 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