Skip to:

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
Armando Quintanilla, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Adrian Zavala 1 1 1 0 0 0 0% 0% $200 $200 $200 0 0
Keith O'Brien 7 20 2.86 1 2 1 5% 20% $58,422 $2,921 $8,346 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
Armando Quintanilla, Jr. 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Adrian Zavala 2 2 1 0 0 1 0% 50% $780 $390 $390 0 0
Keith O'Brien 7 33 4.71 0 0 2 0% 6.06% $39,287 $1,191 $5,612 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
Armando Quintanilla, Jr. 3 17 5.67 0 3 1 0% 23.53% $7,718 $454 $2,573 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 9 41 4.56 0 1 2 0% 7.32% $56,342 $1,374 $6,260 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
Armando Quintanilla, Jr. 10 18 1.8 0 2 1 0% 16.67% $8,600 $478 $860 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 1 2 2 0 0 0 0% 0% $1,140 $570 $1,140 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
Armando Quintanilla, Jr. 12 28 2.33 1 1 2 3.57% 14.29% $18,080 $646 $1,507 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 11 40 3.64 3 5 5 7.5% 32.5% $111,610 $2,790 $10,146 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
Armando Quintanilla, Jr. 16 41 2.56 5 3 2 12.2% 24.39% $78,951 $1,926 $4,934 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 14 44 3.14 2 2 2 4.55% 13.64% $74,884 $1,702 $5,349 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
Armando Quintanilla, Jr. 14 61 4.36 13 11 8 21.31% 52.46% $196,156 $3,216 $14,011 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 11 69 6.27 5 12 6 7.25% 33.33% $186,160 $2,698 $16,924 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
Armando Quintanilla, Jr. 12 47 3.92 5 9 6 10.64% 42.55% $129,303 $2,751 $10,775 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 16 64 4 4 8 7 6.25% 29.69% $198,088 $3,095 $12,381 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
Armando Quintanilla, Jr. 14 78 5.57 14 7 4 17.95% 32.05% $383,167 $4,912 $27,369 0 3
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 26 105 4.04 3 8 15 2.86% 24.76% $225,140 $2,144 $8,659 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
Armando Quintanilla, Jr. 12 40 3.33 9 1 6 22.5% 40% $133,305 $3,333 $11,109 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 25 123 4.92 7 13 14 5.69% 27.64% $371,207 $3,018 $14,848 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
Armando Quintanilla, Jr. 9 37 4.11 5 7 6 13.51% 48.65% $114,308 $3,089 $12,701 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 16 61 3.81 5 9 2 8.2% 26.23% $225,805 $3,702 $14,113 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
Armando Quintanilla, Jr. 10 33 3.3 6 5 3 18.18% 42.42% $74,178 $2,248 $7,418 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 18 77 4.28 5 3 3 6.49% 14.29% $214,590 $2,787 $11,922 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
Armando Quintanilla, Jr. 10 15 1.5 3 1 1 20% 33.33% $42,065 $2,804 $4,207 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 17 75 4.41 8 6 12 10.67% 34.67% $308,789 $4,117 $18,164 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
Armando Quintanilla, Jr. 4 4 1 0 0 0 0% 0% $166 $42 $42 0 0
Adrian Zavala 0 0 0 0 0 0 0% 0% $0 $0 $0 0 0
Keith O'Brien 16 40 2.5 4 4 4 10% 30% $163,510 $4,088 $10,219 0 0