Nico Rosberg topped Lewis Hamilton by 0.138s in second practice at Yas Marina as Mercedes maintained a comfortable advantage over its rivals.
- Hamilton reveals NASCAR ambition
- Canadian teen Stroll signed to Williams driver academy
- IndyCar to add more tethers to improve safety
- Worsham takes Funny Car season, event titles
- Lorenzo wins MotoGP title, leaves Rossi ranting
- Frye tabbed as Verizon IndyCar Series president
- Ferrari's decision to exercise its veto was immoral