Ed McNamara's top 10 Kentucky Derby contenders

1. American Pharoah

Effortless runaway in Arkansas Derby makes him the favorite

2. Dortmund

6-for-6; could join sire Big Brown as unbeaten Derby winner

3. Carpe Diem

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Blue Grass winner tries to give Todd Pletcher second Derby

4. Frosted

Off-pace Wood win a major breakthrough; excellent distance pedigree

5. Mubtaahij

Ruled UAE Derby; wild card for South African wizard de Kock

6. International Star

Swept three Fair Grounds preps, but hasn't faced any top rivals

7. Upstart

Strong efforts in three Gulfstream stakes

8. Firing Line

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Almost beat Dortmund twice before crushing weaker at Sunland Park

9. Materiality

High-quality speed, but lack of 2-year-old experience a major worry

10. El Kabeir

Hurt by slow pace when rallying third in Wood; always shows up