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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
Michael J. Doyle 18 88 4.89 6 12 17 6.82% 39.77% $384,687 $4,371 $21,372 0 0
Ralph R. Riviezzo 2 2 1 1 0 0 50% 50% $16,010 $8,005 $8,005 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
Michael J. Doyle 24 111 4.63 21 14 10 18.92% 40.54% $834,411 $7,517 $34,767 0 1
Ralph R. Riviezzo 39 186 4.77 27 25 35 14.52% 46.77% $701,403 $3,771 $17,985 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
Michael J. Doyle 25 105 4.2 8 14 23 7.62% 42.86% $606,614 $5,777 $24,265 0 1
Ralph R. Riviezzo 40 208 5.2 31 31 30 14.9% 44.23% $785,151 $3,775 $19,629 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
Michael J. Doyle 27 83 3.07 7 16 4 8.43% 32.53% $418,946 $5,048 $15,517 0 0
Ralph R. Riviezzo 20 108 5.4 6 10 12 5.56% 25.93% $172,125 $1,594 $8,606 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
Michael J. Doyle 27 114 4.22 17 19 10 14.91% 40.35% $569,534 $4,996 $21,094 0 0
Ralph R. Riviezzo 50 233 4.66 19 36 27 8.15% 35.19% $551,431 $2,367 $11,029 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
Michael J. Doyle 32 166 5.19 21 16 13 12.65% 30.12% $924,165 $5,567 $28,880 1 2
Ralph R. Riviezzo 20 98 4.9 9 13 16 9.18% 38.78% $247,304 $2,524 $12,365 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
Michael J. Doyle 37 197 5.32 22 24 27 11.17% 37.06% $962,251 $4,885 $26,007 1 2
Ralph R. Riviezzo 11 64 5.82 0 6 9 0% 23.44% $102,916 $1,608 $9,356 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
Michael J. Doyle 43 232 5.4 31 39 27 13.36% 41.81% $1,436,895 $6,194 $33,416 0 3
Ralph R. Riviezzo 9 54 6 2 2 3 3.7% 12.96% $110,154 $2,040 $12,239 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
Michael J. Doyle 33 181 5.48 22 25 28 12.15% 41.44% $1,181,113 $6,525 $35,791 0 3
Ralph R. Riviezzo 4 5 1.25 1 0 1 20% 40% $15,558 $3,112 $3,890 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
Michael J. Doyle 39 194 4.97 19 27 25 9.79% 36.6% $941,665 $4,854 $24,145 0 0
Ralph R. Riviezzo 6 41 6.83 4 8 7 9.76% 46.34% $107,839 $2,630 $17,973 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
Michael J. Doyle 46 213 4.63 29 30 22 13.62% 38.03% $1,421,061 $6,672 $30,893 0 0
Ralph R. Riviezzo 10 32 3.2 1 8 3 3.13% 37.5% $101,130 $3,160 $10,113 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
Michael J. Doyle 46 265 5.76 30 33 35 11.32% 36.98% $1,743,101 $6,578 $37,894 0 1
Ralph R. Riviezzo 16 77 4.81 2 4 1 2.6% 9.09% $105,355 $1,368 $6,585 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
Michael J. Doyle 65 285 4.38 32 29 27 11.23% 30.88% $1,653,085 $5,800 $25,432 0 3
Ralph R. Riviezzo 17 90 5.29 7 7 8 7.78% 24.44% $202,074 $2,245 $11,887 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
Michael J. Doyle 52 272 5.23 29 41 25 10.66% 34.93% $1,870,984 $6,879 $35,980 0 3
Ralph R. Riviezzo 28 141 5.04 10 8 12 7.09% 21.28% $310,181 $2,200 $11,078 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
Michael J. Doyle 51 268 5.25 19 38 38 7.09% 35.45% $1,198,483 $4,472 $23,500 0 2
Ralph R. Riviezzo 22 123 5.59 7 4 4 5.69% 12.2% $170,799 $1,389 $7,764 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
Michael J. Doyle 58 305 5.26 30 29 33 9.84% 30.16% $1,428,088 $4,682 $24,622 0 0
Ralph R. Riviezzo 21 138 6.57 7 19 11 5.07% 26.81% $281,044 $2,037 $13,383 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
Michael J. Doyle 47 261 5.55 24 36 28 9.2% 33.72% $1,337,846 $5,126 $28,465 0 1
Ralph R. Riviezzo 19 155 8.16 15 16 21 9.68% 33.55% $224,186 $1,446 $11,799 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
Michael J. Doyle 48 234 4.88 23 34 20 9.83% 32.91% $1,183,063 $5,056 $24,647 0 0
Ralph R. Riviezzo 29 148 5.1 5 10 15 3.38% 20.27% $102,199 $691 $3,524 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
Michael J. Doyle 53 276 5.21 23 33 44 8.33% 36.23% $1,125,223 $4,077 $21,231 0 1
Ralph R. Riviezzo 28 137 4.89 8 10 11 5.84% 21.17% $114,085 $833 $4,074 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
Michael J. Doyle 48 250 5.21 22 24 26 8.8% 28.8% $885,307 $3,541 $18,444 0 1
Ralph R. Riviezzo 40 229 5.73 19 23 22 8.3% 27.95% $225,500 $985 $5,638 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
Michael J. Doyle 55 262 4.76 17 37 45 6.49% 37.79% $1,278,554 $4,880 $23,246 0 0
Ralph R. Riviezzo 57 225 3.95 23 29 20 10.22% 32% $257,458 $1,144 $4,517 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
Michael J. Doyle 70 305 4.36 27 31 50 8.85% 35.41% $1,611,107 $5,282 $23,016 0 2
Ralph R. Riviezzo 26 122 4.69 12 12 21 9.84% 36.89% $141,616 $1,161 $5,447 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
Michael J. Doyle 68 277 4.07 25 44 37 9.03% 38.27% $1,446,175 $5,221 $21,267 0 2
Ralph R. Riviezzo 50 209 4.18 15 18 23 7.18% 26.79% $224,262 $1,073 $4,485 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
Michael J. Doyle 59 248 4.2 21 32 30 8.47% 33.47% $1,325,643 $5,345 $22,469 1 1
Ralph R. Riviezzo 40 212 5.3 19 24 25 8.96% 32.08% $270,669 $1,277 $6,767 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
Michael J. Doyle 85 282 3.32 31 36 28 10.99% 33.69% $844,380 $2,994 $9,934 0 3
Ralph R. Riviezzo 47 245 5.21 21 25 26 8.57% 29.39% $230,343 $940 $4,901 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
Michael J. Doyle 46 175 3.8 26 16 21 14.86% 36% $499,064 $2,852 $10,849 0 1
Ralph R. Riviezzo 42 231 5.5 25 19 19 10.82% 27.27% $299,777 $1,298 $7,138 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
Michael J. Doyle 38 120 3.16 20 19 17 16.67% 46.67% $420,645 $3,505 $11,070 0 1
Ralph R. Riviezzo 41 246 6 36 27 36 14.63% 40.24% $301,724 $1,227 $7,359 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
Michael J. Doyle 5 5 1 1 0 2 20% 60% $21,980 $4,396 $4,396 0 0
Ralph R. Riviezzo 45 291 6.47 34 42 30 11.68% 36.43% $375,533 $1,290 $8,345 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
Michael J. Doyle 13 16 1.23 2 3 1 12.5% 37.5% $94,903 $5,931 $7,300 0 0
Ralph R. Riviezzo 41 234 5.71 27 39 29 11.54% 40.6% $282,858 $1,209 $6,899 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
Michael J. Doyle 50 152 3.04 22 25 24 14.47% 46.71% $782,768 $5,150 $15,655 1 4
Ralph R. Riviezzo 28 133 4.75 16 21 26 12.03% 47.37% $147,177 $1,107 $5,256 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
Michael J. Doyle 63 376 5.97 53 36 41 14.1% 34.57% $1,604,773 $4,268 $25,473 1 9
Ralph R. Riviezzo 16 89 5.56 5 9 7 5.62% 23.6% $34,098 $383 $2,131 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
Michael J. Doyle 70 398 5.69 49 42 53 12.31% 36.18% $1,555,772 $3,909 $22,225 1 6
Ralph R. Riviezzo 11 99 9 8 12 11 8.08% 31.31% $56,359 $569 $5,124 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
Michael J. Doyle 63 363 5.76 43 47 47 11.85% 37.74% $1,351,732 $3,724 $21,456 2 7
Ralph R. Riviezzo 14 104 7.43 10 10 14 9.62% 32.69% $46,526 $447 $3,323 0 0