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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
Gilberto Zerpa 6 8 1.33 0 0 1 0% 12.5% $3,371 $421 $562 0 0
William R. McDonald 9 45 5 3 1 4 6.67% 17.78% $29,328 $652 $3,259 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
Gilberto Zerpa 55 140 2.55 23 22 14 16.43% 42.14% $552,123 $3,944 $10,039 0 1
William R. McDonald 6 36 6 3 2 3 8.33% 22.22% $44,495 $1,236 $7,416 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
Gilberto Zerpa 60 164 2.73 32 31 25 19.51% 53.66% $768,530 $4,686 $12,809 0 0
William R. McDonald 6 30 5 5 3 10 16.67% 60% $42,071 $1,402 $7,012 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
Gilberto Zerpa 38 94 2.47 18 12 9 19.15% 41.49% $387,545 $4,123 $10,199 0 0
William R. McDonald 5 31 6.2 2 1 1 6.45% 12.9% $15,901 $513 $3,180 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
Gilberto Zerpa 63 107 1.7 34 12 13 31.78% 55.14% $599,226 $5,600 $9,512 0 0
William R. McDonald 4 27 6.75 1 4 5 3.7% 37.04% $23,499 $870 $5,875 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
Gilberto Zerpa 65 121 1.86 49 20 8 40.5% 63.64% $783,605 $6,476 $12,055 0 0
William R. McDonald 3 22 7.33 3 2 1 13.64% 27.27% $26,235 $1,193 $8,745 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
Gilberto Zerpa 46 109 2.37 30 18 8 27.52% 51.38% $516,250 $4,736 $11,223 0 0
William R. McDonald 4 22 5.5 1 2 3 4.55% 27.27% $11,881 $540 $2,970 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
Gilberto Zerpa 36 102 2.83 30 19 11 29.41% 58.82% $743,020 $7,285 $20,639 1 3
William R. McDonald 3 21 7 2 2 1 9.52% 23.81% $25,699 $1,224 $8,566 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
Gilberto Zerpa 24 83 3.46 12 11 13 14.46% 43.37% $218,680 $2,635 $9,112 0 0
William R. McDonald 5 23 4.6 0 1 0 0% 4.35% $9,014 $392 $1,803 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
Gilberto Zerpa 36 118 3.28 23 13 16 19.49% 44.07% $306,279 $2,596 $8,508 0 0
William R. McDonald 3 12 4 2 3 2 16.67% 58.33% $45,183 $3,765 $15,061 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
Gilberto Zerpa 23 72 3.13 13 12 8 18.06% 45.83% $181,766 $2,525 $7,903 0 0
William R. McDonald 3 18 6 1 0 0 5.56% 5.56% $7,519 $418 $2,506 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
Gilberto Zerpa 28 108 3.86 14 21 17 12.96% 48.15% $321,764 $2,979 $11,492 0 0
William R. McDonald 3 27 9 1 2 1 3.7% 14.81% $9,753 $361 $3,251 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
Gilberto Zerpa 42 131 3.12 22 27 9 16.79% 44.27% $409,820 $3,128 $9,758 0 0
William R. McDonald 5 28 5.6 1 2 1 3.57% 14.29% $12,717 $454 $2,543 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
Gilberto Zerpa 33 124 3.76 19 21 16 15.32% 45.16% $382,496 $3,085 $11,591 0 1
William R. McDonald 5 43 8.6 6 3 8 13.95% 39.53% $56,201 $1,307 $11,240 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
Gilberto Zerpa 27 90 3.33 17 18 13 18.89% 53.33% $222,019 $2,467 $8,223 0 0
William R. McDonald 5 32 6.4 4 8 6 12.5% 56.25% $51,532 $1,610 $10,306 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
Gilberto Zerpa 9 30 3.33 9 5 3 30% 56.67% $162,707 $5,424 $18,079 0 1
William R. McDonald 4 36 9 3 7 7 8.33% 47.22% $59,683 $1,658 $14,921 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
Gilberto Zerpa 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 2 12 6 1 0 3 8.33% 33.33% $9,290 $774 $4,645 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
Gilberto Zerpa 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 2 9 4.5 0 0 1 0% 11.11% $2,666 $296 $1,333 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
Gilberto Zerpa 2 2 1 0 1 0 0% 50% $10,000 $5,000 $5,000 0 0
William R. McDonald 5 27 5.4 1 1 3 3.7% 18.52% $14,605 $541 $2,921 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
Gilberto Zerpa 1 1 1 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 5 26 5.2 0 2 0 0% 7.69% $8,581 $330 $1,716 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
Gilberto Zerpa 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 6 40 6.67 3 3 3 7.5% 22.5% $40,249 $1,006 $6,708 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
Gilberto Zerpa 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 10 43 4.3 6 3 6 13.95% 34.88% $74,367 $1,729 $7,437 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
Gilberto Zerpa 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 12 46 3.83 4 3 4 8.7% 23.91% $43,166 $938 $3,597 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
Gilberto Zerpa 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
William R. McDonald 6 42 7 3 7 7 7.14% 40.48% $35,891 $855 $5,982 0 0