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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
Martin L. Rouck 3 9 3 1 0 1 11.11% 22.22% $18,508 $2,056 $6,169 0 0
Donald Yovanovich 1 6 6 0 0 1 0% 16.67% $1,694 $282 $1,694 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
Martin L. Rouck 4 11 2.75 3 2 0 27.27% 45.45% $40,527 $3,684 $10,132 0 0
Donald Yovanovich 3 5 1.67 0 0 0 0% 0% $597 $119 $199 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
Martin L. Rouck 4 11 2.75 3 3 1 27.27% 63.64% $66,466 $6,042 $16,617 0 0
Donald Yovanovich 4 18 4.5 0 2 2 0% 22.22% $17,845 $991 $4,461 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
Martin L. Rouck 1 7 7 0 1 2 0% 42.86% $16,320 $2,331 $16,320 0 0
Donald Yovanovich 3 10 3.33 0 0 2 0% 20% $12,841 $1,284 $4,280 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
Martin L. Rouck 4 4 1 0 0 0 0% 0% $2,733 $683 $683 0 0
Donald Yovanovich 5 13 2.6 0 0 0 0% 0% $6,052 $466 $1,210 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
Martin L. Rouck 4 18 4.5 1 2 0 5.56% 16.67% $29,083 $1,616 $7,271 0 0
Donald Yovanovich 4 18 4.5 0 1 0 0% 5.56% $6,405 $356 $1,601 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
Martin L. Rouck 5 13 2.6 2 1 0 15.38% 23.08% $40,338 $3,103 $8,068 0 0
Donald Yovanovich 5 52 10.4 2 1 7 3.85% 19.23% $38,256 $736 $7,651 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
Martin L. Rouck 7 20 2.86 1 8 1 5% 50% $57,569 $2,878 $8,224 0 0
Donald Yovanovich 6 59 9.83 6 3 7 10.17% 27.12% $84,959 $1,440 $14,160 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
Martin L. Rouck 5 14 2.8 1 2 1 7.14% 28.57% $42,853 $3,061 $8,571 0 0
Donald Yovanovich 5 20 4 1 0 1 5% 10% $15,018 $751 $3,004 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
Martin L. Rouck 10 37 3.7 7 8 4 18.92% 51.35% $117,988 $3,189 $11,799 0 0
Donald Yovanovich 1 7 7 1 1 0 14.29% 28.57% $19,638 $2,805 $19,638 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
Martin L. Rouck 10 49 4.9 5 0 5 10.2% 20.41% $62,259 $1,271 $6,226 0 0
Donald Yovanovich 2 8 4 0 0 0 0% 0% $1,870 $234 $935 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
Martin L. Rouck 11 38 3.45 4 6 6 10.53% 42.11% $93,135 $2,451 $8,467 0 0
Donald Yovanovich 3 16 5.33 1 2 1 6.25% 25% $34,535 $2,158 $11,512 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
Martin L. Rouck 10 54 5.4 6 6 9 11.11% 38.89% $125,726 $2,328 $12,573 0 0
Donald Yovanovich 6 16 2.67 1 0 2 6.25% 18.75% $24,020 $1,501 $4,003 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
Martin L. Rouck 13 75 5.77 7 13 8 9.33% 37.33% $136,699 $1,823 $10,515 0 0
Donald Yovanovich 3 13 4.33 1 1 2 7.69% 30.77% $22,610 $1,739 $7,537 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
Martin L. Rouck 10 51 5.1 8 7 6 15.69% 41.18% $123,753 $2,427 $12,375 0 1
Donald Yovanovich 4 13 3.25 0 3 1 0% 30.77% $25,194 $1,938 $6,299 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
Martin L. Rouck 14 59 4.21 3 9 5 5.08% 28.81% $68,428 $1,160 $4,888 0 0
Donald Yovanovich 14 63 4.5 6 3 6 9.52% 23.81% $89,238 $1,416 $6,374 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
Martin L. Rouck 10 57 5.7 13 6 4 22.81% 40.35% $128,781 $2,259 $12,878 0 0
Donald Yovanovich 9 47 5.22 2 6 10 4.26% 38.3% $51,487 $1,095 $5,721 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
Martin L. Rouck 10 70 7 12 8 7 17.14% 38.57% $100,339 $1,433 $10,034 0 0
Donald Yovanovich 16 65 4.06 2 4 1 3.08% 10.77% $55,998 $862 $3,500 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
Martin L. Rouck 15 57 3.8 8 8 5 14.04% 36.84% $79,533 $1,395 $5,302 0 0
Donald Yovanovich 21 71 3.38 2 5 4 2.82% 15.49% $50,662 $714 $2,412 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
Martin L. Rouck 15 66 4.4 11 11 7 16.67% 43.94% $190,825 $2,891 $12,722 0 0
Donald Yovanovich 19 44 2.32 2 2 3 4.55% 15.91% $39,053 $888 $2,055 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
Martin L. Rouck 12 43 3.58 4 9 5 9.3% 41.86% $161,920 $3,766 $13,493 0 1
Donald Yovanovich 18 80 4.44 2 11 5 2.5% 22.5% $74,478 $931 $4,138 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
Martin L. Rouck 9 45 5 9 5 3 20% 37.78% $161,118 $3,580 $17,902 0 2
Donald Yovanovich 17 53 3.12 4 6 4 7.55% 26.42% $65,263 $1,231 $3,839 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
Martin L. Rouck 10 43 4.3 4 5 2 9.3% 25.58% $84,057 $1,955 $8,406 0 0
Donald Yovanovich 19 53 2.79 2 3 6 3.77% 20.75% $54,694 $1,032 $2,879 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
Martin L. Rouck 8 51 6.38 17 9 6 33.33% 62.75% $271,861 $5,331 $33,983 0 2
Donald Yovanovich 15 53 3.53 3 4 5 5.66% 22.64% $64,049 $1,208 $4,270 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Martin L. Rouck 8 36 4.5 6 6 5 16.67% 47.22% $98,748 $2,743 $12,344 0 0
Donald Yovanovich 10 28 2.8 2 1 3 7.14% 21.43% $30,144 $1,077 $3,014 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
Martin L. Rouck 7 39 5.57 5 7 2 12.82% 35.9% $113,444 $2,909 $16,206 0 0
Donald Yovanovich 15 55 3.67 2 3 4 3.64% 16.36% $43,238 $786 $2,883 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
Martin L. Rouck 9 42 4.67 8 6 3 19.05% 40.48% $88,995 $2,119 $9,888 0 0
Donald Yovanovich 18 87 4.83 6 4 9 6.9% 21.84% $60,942 $700 $3,386 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
Martin L. Rouck 10 35 3.5 1 5 4 2.86% 28.57% $55,947 $1,598 $5,595 0 0
Donald Yovanovich 23 116 5.04 4 13 11 3.45% 24.14% $56,945 $491 $2,476 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
Martin L. Rouck 8 34 4.25 3 4 3 8.82% 29.41% $41,339 $1,216 $5,167 0 0
Donald Yovanovich 22 125 5.68 5 6 8 4% 15.2% $38,364 $307 $1,744 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
Martin L. Rouck 5 26 5.2 4 3 9 15.38% 61.54% $58,907 $2,266 $11,781 0 0
Donald Yovanovich 18 98 5.44 4 12 13 4.08% 29.59% $41,599 $424 $2,311 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
Martin L. Rouck 6 34 5.67 3 4 4 8.82% 32.35% $34,676 $1,020 $5,779 0 0
Donald Yovanovich 8 44 5.5 5 1 7 11.36% 29.55% $20,224 $460 $2,528 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
Martin L. Rouck 7 27 3.86 1 0 3 3.7% 14.81% $8,443 $313 $1,206 0 0
Donald Yovanovich 15 87 5.8 6 9 6 6.9% 24.14% $38,493 $442 $2,566 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Martin L. Rouck 1 13 13 0 0 1 0% 7.69% $1,058 $81 $1,058 0 0
Donald Yovanovich 18 62 3.44 7 3 6 11.29% 25.81% $41,973 $677 $2,332 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
Martin L. Rouck 5 15 3 1 1 3 6.67% 33.33% $2,936 $196 $587 0 0
Donald Yovanovich 22 71 3.23 4 8 11 5.63% 32.39% $49,459 $697 $2,248 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
Martin L. Rouck 8 67 8.38 4 8 8 5.97% 29.85% $17,303 $258 $2,163 0 0
Donald Yovanovich 14 56 4 4 6 5 7.14% 26.79% $21,843 $390 $1,560 0 0