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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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 13 58 4.46 11 9 8 18.97% 48.28% $205,087 $3,536 $15,776 0 0
Marcial Mercado 5 32 6.4 0 2 2 0% 12.5% $8,760 $274 $1,752 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 20 107 5.35 21 18 14 19.63% 49.53% $345,258 $3,227 $17,263 0 0
Marcial Mercado 4 27 6.75 2 4 4 7.41% 37.04% $17,180 $636 $4,295 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 18 85 4.72 12 4 17 14.12% 38.82% $232,114 $2,731 $12,895 0 0
Marcial Mercado 11 40 3.64 2 2 4 5% 20% $19,320 $483 $1,756 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 20 106 5.3 24 25 12 22.64% 57.55% $449,062 $4,236 $22,453 0 0
Marcial Mercado 6 45 7.5 2 4 4 4.44% 22.22% $22,376 $497 $3,729 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 15 93 6.2 24 18 11 25.81% 56.99% $307,398 $3,305 $20,493 0 0
Marcial Mercado 5 34 6.8 2 2 4 5.88% 23.53% $21,974 $646 $4,395 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 12 70 5.83 9 10 8 12.86% 38.57% $95,078 $1,358 $7,923 0 0
Marcial Mercado 5 36 7.2 1 6 8 2.78% 41.67% $24,908 $692 $4,982 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 11 86 7.82 11 18 9 12.79% 44.19% $134,486 $1,564 $12,226 0 0
Marcial Mercado 11 85 7.73 2 11 15 2.35% 32.94% $52,902 $622 $4,809 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 16 67 4.19 5 9 7 7.46% 31.34% $57,424 $857 $3,589 0 0
Marcial Mercado 12 80 6.67 3 9 14 3.75% 32.5% $62,576 $782 $5,215 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 18 77 4.28 9 9 18 11.69% 46.75% $92,990 $1,208 $5,166 0 0
Marcial Mercado 8 61 7.63 6 6 1 9.84% 21.31% $40,359 $662 $5,045 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 12 59 4.92 4 6 12 6.78% 37.29% $49,329 $836 $4,111 0 0
Marcial Mercado 20 116 5.8 5 11 12 4.31% 24.14% $48,096 $415 $2,405 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 7 66 9.43 9 13 9 13.64% 46.97% $88,036 $1,334 $12,577 0 0
Marcial Mercado 15 112 7.47 3 9 17 2.68% 25.89% $39,722 $355 $2,648 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 13 57 4.38 7 8 11 12.28% 45.61% $61,892 $1,086 $4,761 0 0
Marcial Mercado 9 77 8.56 8 4 8 10.39% 25.97% $36,226 $470 $4,025 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 21 72 3.43 15 8 9 20.83% 44.44% $142,420 $1,978 $6,782 0 0
Marcial Mercado 15 106 7.07 12 10 10 11.32% 30.19% $62,048 $585 $4,137 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 24 126 5.25 27 21 12 21.43% 47.62% $150,048 $1,191 $6,252 0 0
Marcial Mercado 16 134 8.38 7 18 9 5.22% 25.37% $62,812 $469 $3,926 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 13 59 4.54 11 7 8 18.64% 44.07% $76,971 $1,305 $5,921 0 0
Marcial Mercado 19 147 7.74 11 19 16 7.48% 31.29% $78,462 $534 $4,130 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 21 110 5.24 16 18 18 14.55% 47.27% $114,335 $1,039 $5,445 0 0
Marcial Mercado 12 39 3.25 2 2 2 5.13% 15.38% $13,223 $339 $1,102 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 22 133 6.05 16 18 18 12.03% 39.1% $182,792 $1,374 $8,309 0 0
Marcial Mercado 9 44 4.89 4 7 4 9.09% 34.09% $43,493 $988 $4,833 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 20 85 4.25 13 13 10 15.29% 42.35% $139,790 $1,645 $6,990 0 0
Marcial Mercado 13 63 4.85 2 7 5 3.17% 22.22% $32,600 $517 $2,508 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 17 99 5.82 9 14 13 9.09% 36.36% $104,933 $1,060 $6,173 0 0
Marcial Mercado 12 48 4 3 5 9 6.25% 35.42% $29,294 $610 $2,441 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. 3.31 13.64% 40.9% $5,415 $17,925
Jamie L. Grubbs 22 127 5.77 20 4 19 15.75% 33.86% $192,704 $1,517 $8,759 0 0
Marcial Mercado 2 5 2.5 0 1 1 0% 40% $3,337 $667 $1,669 0 0