Michele Pirro claims a popular first Moto2 World Championship victory for Gresini, two weeks after the death of the team's MotoGP rider Marco Simoncelli.
Nicolas Terol is crowned the 2011 125GP World Champion after chief rival Johann Zarco crashes out of contention at Valencia; Maverick Vinales takes victory in the category's very final race.
Kevin Schwantz to ride Marco Simoncelli's RC212V during a lap of honour by riders from all three classes at Valencia - followed by a two-minute firecracker display.
Kevin Harvick won Friday night's Truck Series race at Texas Motor Speedway ahead of Austin Dillon, but the headlines were all about Kyle Busch wrecking Ron Hornaday.
Roush Fenway Racing team mates Greg Biffle and David Ragan will share the front row for the start of Sunday's AAA Texas 500 Cup race at Texas Motor Speedway.
"My first day in MotoGP has been very difficult and quite scary at times to be honest. Before I went out this morning I don't think I have ever been so nervous in my life" - Josh Hayes.
When you don't know how - 'Follow Happy', that's the lesson the Honda engineers learnt when developing the interior of the new Civic. Play the 'Follow Happy game' and see for yourself...