Martin Truex Jr.
Age: 24
Car No.: 81 Bass Pro Shops Chevrolet
2004: 18 starts, 4 wins, 13 top 10s
The skinny: Has slim series lead. Won three titles in Busch North series, where his dad raced for years.
Kyle Busch
Age: 19
Car No.: 5 Lowe’s Chevrolet
2004: 18 starts, 4 wins, 12 top 10s
The skinny: Older brother Kurt one of top Nextel Cup drivers.
David Green
Age: 46
Car No.: 37 Timber Wolf Chevrolet
2004: 18 starts, 0 wins, 11 top 10s
The skinny: Second to Brian Vickers in standings last year. Younger brother Jeff a Nextel Cup regular.
Greg Biffle
Age: 33
Car No.: 60 Charter Ford
2004: 18 starts, 3 wins, 11 top 10s
The skinny: Doing well on Nextel Cup circuit but determined to keep racing in Busch Series for now.
Bobby Hamilton Jr.
Age: 26
Car No.: 25 Mariner Corps Ford
2004: 18 starts, 0 wins, 9 top 10s
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The skinny: Defending Tropicana champ, won 4 last year. Dad was top Winston Cup driver in 1990s.
Jason Keller
Age: 34
Car No.: 22 Miller Lite Ford
2004: 17 starts, 0 wins, 8 top 10s
The skinny: Finished fifth in Busch standings last season.
Ron Hornaday
Age: 46
Car No.: 2 Delco Chevrolet
2004: 18 starts, 1 win, 10 top 10s
The skinny: Former Truck Series champion won June 26 Busch race at Milwaukee named for former Winston Cup champion Alan Kulwicki. The race drew 44,000, twice what Champ Cars drew.
Jason Leffler
Age: 28
Car No.: 00 Haas Chevrolet
2004: 17 starts, 1 win, 9 top 10s
The skinny: Former Truck Series racer.
Mike Bliss
Age: 39
Car No.: 20 Rockwell Chevrolet
2004: 17 starts, 0 wins, 6 top 10s.
The skinny: Truck Series regular won that circuit’s title in 2002.
Kenny Wallace
Age: 40
Car No.: 23 Stacker 2 Chevrolet
2004: 17 starts, 0 wins, 5 top 10s
The skinny: Brother of Rusty and Mike has made 300 Nextel Cup starts, but none this year.