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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
Marcos A. Serrano 21 117 5.57 9 13 17 7.69% 33.33% $82,422 $704 $3,925 0 0
Joe D. Merrick 4 13 3.25 0 0 1 0% 7.69% $3,096 $238 $774 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
Marcos A. Serrano 22 92 4.18 9 13 12 9.78% 36.96% $70,248 $764 $3,193 0 0
Joe D. Merrick 5 15 3 1 1 3 6.67% 33.33% $29,586 $1,972 $5,917 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
Marcos A. Serrano 9 36 4 4 3 4 11.11% 30.56% $28,284 $786 $3,143 0 0
Joe D. Merrick 10 34 3.4 4 3 4 11.76% 32.35% $54,532 $1,604 $5,453 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
Marcos A. Serrano 13 46 3.54 0 4 6 0% 21.74% $13,636 $296 $1,049 0 0
Joe D. Merrick 5 19 3.8 1 1 2 5.26% 21.05% $15,957 $840 $3,191 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
Marcos A. Serrano 4 25 6.25 3 2 2 12% 28% $16,200 $648 $4,050 0 0
Joe D. Merrick 2 10 5 1 1 2 10% 40% $9,006 $901 $4,503 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
Marcos A. Serrano 11 59 5.36 5 4 7 8.47% 27.12% $35,812 $607 $3,256 0 0
Joe D. Merrick 5 16 3.2 0 2 0 0% 12.5% $9,608 $601 $1,922 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
Marcos A. Serrano 6 51 8.5 2 10 4 3.92% 31.37% $29,380 $576 $4,897 0 0
Joe D. Merrick 16 89 5.56 6 12 7 6.74% 28.09% $115,387 $1,296 $7,212 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
Marcos A. Serrano 9 38 4.22 3 4 5 7.89% 31.58% $26,237 $690 $2,915 0 0
Joe D. Merrick 15 50 3.33 2 2 6 4% 20% $34,812 $696 $2,321 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
Marcos A. Serrano 24 77 3.21 6 11 8 7.79% 32.47% $45,772 $594 $1,907 0 0
Joe D. Merrick 8 39 4.88 4 3 6 10.26% 33.33% $86,595 $2,220 $10,824 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
Marcos A. Serrano 9 46 5.11 6 7 9 13.04% 47.83% $33,333 $725 $3,704 0 0
Joe D. Merrick 3 10 3.33 1 4 1 10% 60% $38,160 $3,816 $12,720 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
Marcos A. Serrano 8 41 5.13 7 7 5 17.07% 46.34% $28,609 $698 $3,576 0 0
Joe D. Merrick 4 13 3.25 0 1 1 0% 15.38% $7,957 $612 $1,989 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
Marcos A. Serrano 13 49 3.77 7 2 5 14.29% 28.57% $31,690 $647 $2,438 0 0
Joe D. Merrick 1 1 1 0 0 0 0% 0% $85 $85 $85 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
Marcos A. Serrano 8 56 7 4 10 4 7.14% 32.14% $59,235 $1,058 $7,404 0 0
Joe D. Merrick 1 1 1 0 0 0 0% 0% $188 $188 $188 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
Marcos A. Serrano 11 65 5.91 6 7 7 9.23% 30.77% $59,752 $919 $5,432 0 0
Joe D. Merrick 25 120 4.8 11 14 9 9.17% 28.33% $110,836 $924 $4,433 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
Marcos A. Serrano 9 71 7.89 4 9 8 5.63% 29.58% $37,872 $533 $4,208 0 0
Joe D. Merrick 19 100 5.26 7 9 15 7% 31% $155,409 $1,554 $8,179 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
Marcos A. Serrano 9 60 6.67 4 6 5 6.67% 25% $37,010 $617 $4,112 0 0
Joe D. Merrick 18 62 3.44 7 8 10 11.29% 40.32% $119,394 $1,926 $6,633 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
Marcos A. Serrano 5 11 2.2 0 1 1 0% 18.18% $3,666 $333 $733 0 0
Joe D. Merrick 6 22 3.67 1 1 1 4.55% 13.64% $28,872 $1,312 $4,812 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
Marcos A. Serrano 18 107 5.94 8 11 14 7.48% 30.84% $76,225 $712 $4,235 0 0
Joe D. Merrick 3 3 1 0 0 0 0% 0% $272 $91 $91 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
Marcos A. Serrano 14 55 3.93 3 5 7 5.45% 27.27% $29,210 $531 $2,086 0 0
Joe D. Merrick 10 28 2.8 3 3 2 10.71% 28.57% $22,727 $812 $2,273 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
Marcos A. Serrano 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joe D. Merrick 16 82 5.13 15 11 11 18.29% 45.12% $131,476 $1,603 $8,217 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
Marcos A. Serrano 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joe D. Merrick 25 116 4.64 18 14 14 15.52% 39.66% $136,517 $1,177 $5,461 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
Marcos A. Serrano 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joe D. Merrick 18 101 5.61 15 23 13 14.85% 50.5% $137,303 $1,359 $7,628 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Marcos A. Serrano 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joe D. Merrick 12 38 3.17 3 5 5 7.89% 34.21% $34,412 $906 $2,868 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
Marcos A. Serrano 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joe D. Merrick 7 28 4 4 6 4 14.29% 50% $36,882 $1,317 $5,269 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
Marcos A. Serrano 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Joe D. Merrick 6 16 2.67 2 3 1 12.5% 37.5% $22,439 $1,402 $3,740 0 0