Donnelly's Derby preview
The 133d Kentucky Derby
When: 6:04 p.m. tomorrow.
Where: Churchill Downs, Louisville, Ky.
TV: NBC10. Distance: 1 1/4 miles.
Total purse: $2.21 million. Winner's share: $1.45 million.
Weather forecast: Temperatures in the upper 70s with a 30 percent chance of showers.
The 20-horse field: Listed in order of preference
Derby coverage: http://go.philly.com/derby.