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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
Alberto Plaza 2 11 5.5 5 1 1 45.45% 63.64% $67,900 $6,173 $33,950 0 0
Don Roberson 2 9 4.5 0 0 1 0% 11.11% $6,007 $667 $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
Alberto Plaza 14 15 1.07 2 2 4 13.33% 53.33% $99,581 $6,639 $7,113 0 0
Don Roberson 2 12 6 0 2 4 0% 50% $18,184 $1,515 $9,092 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
Alberto Plaza 1 5 5 2 1 1 40% 80% $40,800 $8,160 $40,800 0 0
Don Roberson 3 24 8 2 3 2 8.33% 29.17% $33,929 $1,414 $11,310 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
Alberto Plaza 1 8 8 0 1 2 0% 37.5% $8,700 $1,088 $8,700 0 0
Don Roberson 3 8 2.67 1 1 4 12.5% 75% $23,776 $2,972 $7,925 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
Alberto Plaza 1 4 4 0 2 0 0% 50% $20,875 $5,219 $20,875 0 0
Don Roberson 7 28 4 3 3 5 10.71% 39.29% $49,785 $1,778 $7,112 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
Alberto Plaza 1 3 3 2 1 0 66.67% 100% $35,600 $11,867 $35,600 0 0
Don Roberson 13 41 3.15 5 1 4 12.2% 24.39% $83,681 $2,041 $6,437 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
Alberto Plaza 1 6 6 1 1 0 16.67% 33.33% $56,375 $9,396 $56,375 0 0
Don Roberson 19 105 5.53 10 13 9 9.52% 30.48% $249,913 $2,380 $13,153 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
Alberto Plaza 20 40 2 6 8 8 15% 55% $139,425 $3,486 $6,971 0 0
Don Roberson 17 47 2.76 5 3 5 10.64% 27.66% $95,986 $2,042 $5,646 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
Alberto Plaza 52 63 1.21 10 9 11 15.87% 47.62% $258,669 $4,106 $4,974 0 0
Don Roberson 7 7 1 0 0 0 0% 0% $3,080 $440 $440 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
Alberto Plaza 6 22 3.67 2 2 5 9.09% 40.91% $54,944 $2,497 $9,157 0 0
Don Roberson 24 94 3.92 8 9 10 8.51% 28.72% $181,686 $1,933 $7,570 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
Alberto Plaza 2 9 4.5 0 0 1 0% 11.11% $6,490 $721 $3,245 0 0
Don Roberson 35 135 3.86 15 20 14 11.11% 36.3% $123,696 $916 $3,534 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
Alberto Plaza 1 2 2 0 0 0 0% 0% $1,270 $635 $1,270 0 0
Don Roberson 55 220 4 26 34 20 11.82% 36.36% $558,415 $2,538 $10,153 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
Alberto Plaza 1 3 3 0 0 0 0% 0% $0 $0 $0 0 0
Don Roberson 48 186 3.88 30 31 20 16.13% 43.55% $413,662 $2,224 $8,618 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
Alberto Plaza 4 13 3.25 0 1 0 0% 7.69% $6,315 $486 $1,579 0 0
Don Roberson 37 166 4.49 12 16 16 7.23% 26.51% $141,755 $854 $3,831 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
2025 National Trainer Avg. 4 13.53% 40.55% $5,513 $22,031
Alberto Plaza 6 30 5 2 2 4 6.67% 26.67% $36,399 $1,213 $6,067 0 0
Don Roberson 36 156 4.33 16 17 18 10.26% 32.69% $237,629 $1,523 $6,601 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
Alberto Plaza 5 37 7.4 0 3 8 0% 29.73% $22,800 $616 $4,560 0 0
Don Roberson 20 72 3.6 21 7 3 29.17% 43.06% $333,206 $4,628 $16,660 0 3

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
Alberto Plaza 5 32 6.4 0 1 3 0% 12.5% $11,803 $369 $2,361 0 0
Don Roberson 39 189 4.85 32 24 15 16.93% 37.57% $433,718 $2,295 $11,121 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
Alberto Plaza 2 13 6.5 0 0 2 0% 15.38% $11,410 $878 $5,705 0 0
Don Roberson 66 248 3.76 43 41 35 17.34% 47.98% $650,461 $2,623 $9,855 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
Alberto Plaza 7 49 7 1 3 4 2.04% 16.33% $35,940 $733 $5,134 0 0
Don Roberson 75 309 4.12 42 36 44 13.59% 39.48% $570,702 $1,847 $7,609 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
Alberto Plaza 6 21 3.5 5 2 5 23.81% 57.14% $57,020 $2,715 $9,503 0 0
Don Roberson 67 362 5.4 49 61 42 13.54% 41.99% $718,510 $1,985 $10,724 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
Alberto Plaza 6 32 5.33 0 1 2 0% 9.38% $17,331 $542 $2,889 0 0
Don Roberson 109 478 4.39 68 65 37 14.23% 35.56% $999,719 $2,091 $9,172 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
Alberto Plaza 9 51 5.67 2 1 5 3.92% 15.69% $26,009 $510 $2,890 0 0
Don Roberson 111 433 3.9 77 75 40 17.78% 44.34% $1,221,075 $2,820 $11,001 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
Alberto Plaza 10 51 5.1 4 9 6 7.84% 37.25% $51,344 $1,007 $5,134 0 0
Don Roberson 77 342 4.44 43 48 44 12.57% 39.47% $789,112 $2,307 $10,248 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
Alberto Plaza 12 43 3.58 1 3 3 2.33% 16.28% $21,041 $489 $1,753 0 0
Don Roberson 106 451 4.25 54 60 67 11.97% 40.13% $796,550 $1,766 $7,515 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
Alberto Plaza 8 21 2.63 0 4 4 0% 38.1% $15,374 $732 $1,922 0 0
Don Roberson 43 199 4.63 27 25 21 13.57% 36.68% $276,218 $1,388 $6,424 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
Alberto Plaza 5 18 3.6 1 6 3 5.56% 55.56% $17,149 $953 $3,430 0 0
Don Roberson 54 217 4.02 34 32 31 15.67% 44.7% $454,590 $2,095 $8,418 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
Alberto Plaza 9 34 3.78 1 2 2 2.94% 14.71% $9,809 $289 $1,090 0 0
Don Roberson 69 256 3.71 28 30 47 10.94% 41.02% $192,121 $750 $2,784 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
Alberto Plaza 6 34 5.67 5 2 2 14.71% 26.47% $19,570 $576 $3,262 0 0
Don Roberson 32 164 5.13 35 29 17 21.34% 49.39% $265,006 $1,616 $8,281 0 3

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
Alberto Plaza 6 11 1.83 0 0 2 0% 18.18% $2,958 $269 $493 0 0
Don Roberson 50 256 5.12 36 37 37 14.06% 42.97% $158,679 $620 $3,174 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
Alberto Plaza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Don Roberson 33 197 5.97 39 28 32 19.8% 50.25% $130,822 $664 $3,964 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
Alberto Plaza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Don Roberson 15 110 7.33 16 17 18 14.55% 46.36% $65,310 $594 $4,354 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
Alberto Plaza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Don Roberson 25 166 6.64 25 21 17 15.06% 37.95% $67,081 $404 $2,683 0 0