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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
Spencer Don Leddy 2 5 2.5 0 0 0 0% 0% $1,457 $291 $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
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
Spencer Don Leddy 7 26 3.71 3 2 2 11.54% 26.92% $69,785 $2,684 $9,969 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
Spencer Don Leddy 7 41 5.86 5 4 3 12.2% 29.27% $93,013 $2,269 $13,288 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 28 164 5.86 7 14 22 4.27% 26.22% $169,806 $1,035 $6,065 0 0
Spencer Don Leddy 7 29 4.14 2 0 4 6.9% 20.69% $40,016 $1,380 $5,717 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
Spencer Don Leddy 2 4 2 0 1 0 0% 25% $11,434 $2,859 $5,717 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
Spencer Don Leddy 4 15 3.75 1 2 0 6.67% 20% $20,758 $1,384 $5,190 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
Spencer Don Leddy 2 4 2 1 0 0 25% 25% $4,835 $1,209 $2,418 0 0