I'll get this started. The following are the ones I can think of currently: Mario Andretti and Michael Andretti, Michael Andretti and Marco Andretti, Al Unser and Al Unser Jr, Bobby and Robby Unser, Bobby Rahal and Graham Rahal
Carl Edwards has won 23 Nascar Cup races, 38 Nationwide races and 6 Truck Series races in his career.
Jacques Villeneuve won 11 Formula 1 races in his career.
Niki Lauda won 25 Formula 1 races in his career.
Richard Petty won 200 races in his career.
Roger Williamson started only two races in his Formula 1 career, both in 1973.
Kasey Kahne has won 16 Nascar Cup Series races, 8Nationwide races (formerly known as the Busch Series) and 4Truck Series races in his career.
Yuji Ide started four races in his Formula 1 career. They were all during the 2006 season.
Craig Lowndes has won 77 V8 Supercar races in his career.
Danica Patrick has started 115 IRL races in her career.
In his career Mario got 1,895 points counting the playoffs in his 1,022 career games in 18 seasons.
Richard Petty won 200 Nascar races during his career.