The winners and losers of MotoGP's reshuffle More than half of the MotoGP grid is a new face in a new place this season. Some have starred, but others need to knuckle down and do better 1496275200 MotoGP

Has Rossi's replacement already stepped forward? Sooner or later, Valentino Rossi will retire. But even if the MotoGP legend doesn't hang up his helmet until the end of 2018, one rider on the grid might already have one arm on the '19 Yamaha's handlebars 1494374400 MotoGP

How Rossi highlights Raikkonen's shortcomings While Valentino Rossi continues to fight through adversity to remain a MotoGP title candidate, Kimi Raikkonen appears more and more of a hanger-on in Formula 1. The difference between the two veterans is stark 1492560000 F1

Was Lorenzo's Ducati debut as bad as it looked? As far as first races go, Jorge Lorenzo's debut with Ducati was underwhelming at best. But was that down to teething problems, or does Sunday's race in Qatar point to further problems to come throughout the year? 1490745600 MotoGP

The legacy of Audi's engine architect Twenty years on from the Audi sportscar programme's debut at Sebring, meet Ulrich Baretzky - the driving force behind the four rings' success, who ironically never wanted to be an engineer 1553040000 Engineering

The inside story of Formula E's London return Formula E's first London foray ended in acrimony as local residents helped end any chance of a Battersea return. Not to be deterred, FE worked quietly to get a much-desired London homecoming 1553040000 F1

How did Norris really fare on his F1 debut? Eighth on the grid but only 12th in the race - Lando Norris's mood after his Formula 1 debut had a strong air of "could do better". He needn't be disappointed, Australia provided plenty of evidence of what makes this rookie so special 1553040000 F1

The meeting that could define F1's future While talks of specifics regarding the 2021 Formula 1 regulations have been few and far between, the deadline of June is approaching rapidly. A meeting next week could paint a much clearer picture 1552953600 F1