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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
Joseph W. Mazza 9 46 5.11 2 8 5 4.35% 32.61% $128,610 $2,796 $14,290 0 0
Percy J. Leyba 1 7 7 0 1 0 0% 14.29% $7,429 $1,061 $7,429 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
Joseph W. Mazza 19 70 3.68 1 3 11 1.43% 21.43% $122,551 $1,751 $6,450 0 0
Percy J. Leyba 1 7 7 1 0 1 14.29% 28.57% $10,699 $1,528 $10,699 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
Joseph W. Mazza 23 95 4.13 6 6 15 6.32% 28.42% $171,955 $1,810 $7,476 0 0
Percy J. Leyba 1 7 7 0 0 0 0% 0% $2,097 $300 $2,097 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
Joseph W. Mazza 20 138 6.9 10 14 8 7.25% 23.19% $211,984 $1,536 $10,599 0 0
Percy J. Leyba 1 9 9 1 2 2 11.11% 55.56% $15,483 $1,720 $15,483 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
Joseph W. Mazza 9 53 5.89 4 2 8 7.55% 26.42% $77,880 $1,469 $8,653 0 0
Percy J. Leyba 2 10 5 0 3 1 0% 40% $10,734 $1,073 $5,367 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
Joseph W. Mazza 8 32 4 1 1 1 3.13% 9.38% $41,607 $1,300 $5,201 0 0
Percy J. Leyba 2 14 7 1 1 1 7.14% 21.43% $9,482 $677 $4,741 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
Joseph W. Mazza 14 76 5.43 8 8 7 10.53% 30.26% $326,508 $4,296 $23,322 0 0
Percy J. Leyba 1 1 1 0 0 0 0% 0% $108 $108 $108 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
Joseph W. Mazza 18 82 4.56 4 7 11 4.88% 26.83% $206,671 $2,520 $11,482 0 0
Percy J. Leyba 2 11 5.5 0 2 1 0% 27.27% $15,897 $1,445 $7,949 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
Joseph W. Mazza 14 105 7.5 10 5 11 9.52% 24.76% $339,250 $3,231 $24,232 0 0
Percy J. Leyba 3 16 5.33 2 3 1 12.5% 37.5% $52,387 $3,274 $17,462 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
Joseph W. Mazza 15 58 3.87 3 5 5 5.17% 22.41% $151,383 $2,610 $10,092 0 0
Percy J. Leyba 2 11 5.5 2 2 2 18.18% 54.55% $53,997 $4,909 $26,999 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 21 10.5 5 2 3 23.81% 47.62% $35,600 $1,695 $17,800 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 1 1 1 0 0 0 0% 0% $67 $67 $67 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 13 6.5 1 3 0 7.69% 30.77% $11,424 $879 $5,712 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 14 7 0 2 0 0% 14.29% $5,378 $384 $2,689 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 3 13 4.33 0 0 0 0% 0% $1,719 $132 $573 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 1 15 15 2 1 1 13.33% 26.67% $18,468 $1,231 $18,468 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 12 6 3 0 1 25% 33.33% $15,261 $1,272 $7,631 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 7 3.5 0 0 0 0% 0% $532 $76 $266 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 2 1 0 0 0 0% 0% $87 $44 $44 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 5 2.5 0 0 0 0% 0% $0 $0 $0 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 12 6 0 1 1 0% 16.67% $10,266 $856 $5,133 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 1 3 3 0 0 0 0% 0% $831 $277 $831 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 1 2 2 0 0 0 0% 0% $701 $351 $701 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 1 9 9 1 1 1 11.11% 33.33% $6,820 $758 $6,820 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 3 6 2 0 1 0 0% 16.67% $971 $162 $324 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 1 7 7 3 2 1 42.86% 85.71% $22,470 $3,210 $22,470 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 2 3 1.5 0 1 0 0% 33.33% $540 $180 $270 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 3 7 2.33 3 0 0 42.86% 42.86% $4,200 $600 $1,400 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 3 25 8.33 1 7 1 4% 36% $13,477 $539 $4,492 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
Joseph W. Mazza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Percy J. Leyba 3 20 6.67 2 3 1 10% 30% $6,816 $341 $2,272 0 0