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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 1 5 5 2 1 1 40% 80% $40,800 $8,160 $40,800 0 0
Kenneth L. Roberts, Sr. 24 85 3.54 9 16 9 10.59% 40% $276,480 $3,253 $11,520 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
Kenneth L. Roberts, Sr. 29 132 4.55 21 15 21 15.91% 43.18% $363,571 $2,754 $12,537 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
Alberto Plaza 1 4 4 0 2 0 0% 50% $20,875 $5,219 $20,875 0 0
Kenneth L. Roberts, Sr. 25 91 3.64 15 13 11 16.48% 42.86% $254,625 $2,798 $10,185 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
Kenneth L. Roberts, Sr. 19 49 2.58 6 7 6 12.24% 38.78% $102,155 $2,085 $5,377 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
Kenneth L. Roberts, Sr. 12 20 1.67 1 0 3 5% 20% $23,280 $1,164 $1,940 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 2 13 6.5 0 0 2 0% 15.38% $11,410 $878 $5,705 0 0
Kenneth L. Roberts, Sr. 11 24 2.18 2 2 2 8.33% 25% $20,922 $872 $1,902 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
Kenneth L. Roberts, Sr. 6 11 1.83 2 3 4 18.18% 81.82% $26,690 $2,426 $4,448 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
Kenneth L. Roberts, Sr. 1 1 1 0 0 0 0% 0% $252 $252 $252 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
Kenneth L. Roberts, Sr. 2 7 3.5 0 1 0 0% 14.29% $1,316 $188 $658 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
Kenneth L. Roberts, Sr. 1 1 1 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
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
Kenneth L. Roberts, Sr. 3 4 1.33 0 0 0 0% 0% $6,253 $1,563 $2,084 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 8 21 2.63 0 4 4 0% 38.1% $15,374 $732 $1,922 0 0
Kenneth L. Roberts, Sr. 1 1 1 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
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
Kenneth L. Roberts, Sr. 1 4 4 0 1 2 0% 75% $1,738 $435 $1,738 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
Kenneth L. Roberts, Sr. 1 2 2 0 1 0 0% 50% $1,076 $538 $1,076 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 11 1.83 0 0 2 0% 18.18% $2,958 $269 $493 0 0
Kenneth L. Roberts, Sr. 2 9 4.5 0 1 0 0% 11.11% $430 $48 $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. 4 13.53% 40.55% $5,513 $22,031
Alberto Plaza 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Kenneth L. Roberts, Sr. 6 11 1.83 1 0 1 9.09% 18.18% $13,650 $1,241 $2,275 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
Kenneth L. Roberts, Sr. 8 19 2.38 0 0 4 0% 21.05% $1,972 $104 $247 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
Kenneth L. Roberts, Sr. 1 5 5 0 0 2 0% 40% $814 $163 $814 0 0