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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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 119 185 1.55 42 22 18 22.7% 44.32% $1,940,988 $10,492 $16,311 0 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
Preston Boyd 4 17 4.25 3 3 2 17.65% 47.06% $33,420 $1,966 $8,355 0 0
Robertino Diodoro 304 785 2.58 150 141 107 19.11% 50.7% $5,867,506 $7,475 $19,301 1 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 339 894 2.64 191 152 104 21.36% 50% $6,800,660 $7,607 $20,061 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
Preston Boyd 3 9 3 0 0 2 0% 22.22% $4,573 $508 $1,524 0 0
Robertino Diodoro 292 904 3.1 223 178 108 24.67% 56.31% $7,496,024 $8,292 $25,671 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
Preston Boyd 3 3 1 0 0 0 0% 0% $1,375 $458 $458 0 0
Robertino Diodoro 311 1110 3.57 242 188 152 21.8% 52.43% $6,011,283 $5,416 $19,329 1 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
Preston Boyd 7 12 1.71 2 2 2 16.67% 50% $19,370 $1,614 $2,767 0 0
Robertino Diodoro 310 1043 3.36 257 182 183 24.64% 59.64% $5,763,032 $5,525 $18,590 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
Preston Boyd 4 13 3.25 2 2 1 15.38% 38.46% $17,343 $1,334 $4,336 0 0
Robertino Diodoro 321 1056 3.29 255 180 150 24.15% 55.4% $6,078,667 $5,756 $18,937 2 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
Preston Boyd 3 7 2.33 0 1 1 0% 28.57% $5,670 $810 $1,890 0 0
Robertino Diodoro 306 970 3.17 219 163 126 22.58% 52.37% $5,162,000 $5,322 $16,869 2 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
Preston Boyd 2 3 1.5 0 1 0 0% 33.33% $1,982 $661 $991 0 0
Robertino Diodoro 258 933 3.62 242 168 115 25.94% 56.27% $4,642,888 $4,976 $17,996 1 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
Preston Boyd 4 15 3.75 2 3 4 13.33% 60% $12,725 $848 $3,181 0 0
Robertino Diodoro 241 813 3.37 190 141 95 23.37% 52.4% $3,198,906 $3,935 $13,273 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
Preston Boyd 4 12 3 4 0 1 33.33% 41.67% $24,392 $2,033 $6,098 0 0
Robertino Diodoro 276 920 3.33 243 149 137 26.41% 57.5% $3,780,862 $4,110 $13,699 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
Preston Boyd 6 23 3.83 7 4 1 30.43% 52.17% $32,723 $1,423 $5,454 0 0
Robertino Diodoro 175 653 3.73 149 132 87 22.82% 56.36% $2,356,297 $3,608 $13,465 2 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
Preston Boyd 5 14 2.8 2 4 4 14.29% 71.43% $21,500 $1,536 $4,300 0 0
Robertino Diodoro 168 619 3.68 106 86 85 17.12% 44.75% $1,542,746 $2,492 $9,183 0 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
Preston Boyd 2 6 3 1 4 0 16.67% 83.33% $10,185 $1,698 $5,093 0 0
Robertino Diodoro 166 667 4.02 137 117 99 20.54% 52.92% $1,748,505 $2,621 $10,533 0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Preston Boyd 1 3 3 2 0 0 66.67% 66.67% $2,090 $697 $2,090 0 0
Robertino Diodoro 152 533 3.51 109 71 79 20.45% 48.59% $1,200,249 $2,252 $7,896 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
Preston Boyd 3 10 3.33 3 1 1 30% 50% $7,162 $716 $2,387 0 0
Robertino Diodoro 115 401 3.49 61 50 58 15.21% 42.14% $650,377 $1,622 $5,655 0 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
Preston Boyd 5 18 3.6 5 4 2 27.78% 61.11% $18,024 $1,001 $3,605 0 0
Robertino Diodoro 98 389 3.97 64 49 41 16.45% 39.59% $653,231 $1,679 $6,666 0 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
Preston Boyd 1 3 3 0 1 1 0% 66.67% $4,351 $1,450 $4,351 0 0
Robertino Diodoro 89 346 3.89 55 60 41 15.9% 45.09% $708,077 $2,046 $7,956 0 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
Preston Boyd 5 29 5.8 4 8 7 13.79% 65.52% $18,958 $654 $3,792 0 0
Robertino Diodoro 67 253 3.78 27 30 21 10.67% 30.83% $307,573 $1,216 $4,591 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
Preston Boyd 2 4 2 1 0 0 25% 25% $2,230 $558 $1,115 0 0
Robertino Diodoro 53 235 4.43 29 38 20 12.34% 37.02% $288,205 $1,226 $5,438 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 47 223 4.74 31 28 19 13.9% 34.98% $355,973 $1,596 $7,574 0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Preston Boyd 3 12 4 4 2 3 33.33% 75% $10,322 $860 $3,441 0 0
Robertino Diodoro 66 301 4.56 30 45 39 9.97% 37.87% $382,529 $1,271 $5,796 0 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
2023 National Trainer Avg. 3.96 13.53% 40.55% $5,237 $20,757
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 52 244 4.69 29 42 34 11.89% 43.03% $335,720 $1,376 $6,456 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 44 227 5.16 33 25 21 14.54% 34.8% $248,130 $1,093 $5,639 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 38 182 4.79 28 25 23 15.38% 41.76% $149,680 $822 $3,939 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 27 149 5.52 14 21 14 9.4% 32.89% $75,393 $506 $2,792 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
Preston Boyd 1 1 1 0 1 0 0% 100% $594 $594 $594 0 0
Robertino Diodoro 35 161 4.6 13 20 22 8.07% 34.16% $91,277 $567 $2,608 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
Preston Boyd 3 12 4 1 2 3 8.33% 50% $2,626 $219 $875 0 0
Robertino Diodoro 18 76 4.22 9 8 9 11.84% 34.21% $47,126 $620 $2,618 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
Preston Boyd 4 5 1.25 1 2 0 20% 60% $1,425 $285 $356 0 0
Robertino Diodoro 9 43 4.78 5 7 4 11.63% 37.21% $27,627 $642 $3,070 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
Preston Boyd 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Robertino Diodoro 4 17 4.25 3 3 3 17.65% 52.94% $14,304 $841 $3,576 0 0