How Rossi highlights Raikkonen's shortcomings

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

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

Can Yamaha's new star topple Marquez? Marc Marquez probably shouldn't have won the 2016 MotoGP title, but he did. His reward is facing competition that looks even stronger this season - and is coming from more areas 1490227200 MotoGP

MotoGP shows F1 'customer' is not a dirty word As Formula 1's leadership change prompts fresh thinking about its future shape, the new chiefs ought to take a lot at how customer teams have contributed to the MotoGP spectacle 1485907200 MotoGP

Why Rossi and Vinales are unlikely to stay friends After the animosity with Jorge Lorenzo in recent years, Valentino Rossi began 2017 singing a friendly happy birthday to new Yamaha team-mate Maverick Vinales. But does that relationship have a hope of staying convivial when the season starts? 1485475200 MotoGP

The Mercedes v Renault v Honda v Ferrari title fight There's a super-close 2017 title fight brewing between drivers from Mercedes, Renault and Honda, with a Ferrari racer clinging onto their tails - but it's not in Formula 1 1503014400 GP3

Why Alonso will not win another F1 title What will Fernando Alonso will do for 2018? The answer's unlikely to have a bearing on next year's title battle. In fact, chances are the Spaniard will never fight for a championship again 1503014400 F1

The unexpected Senna honour Hamilton's set to beat Matching his idol Ayrton Senna's records has meant a lot to Lewis Hamilton, and there's another tally within reach that he might not even realise 1502928000 F1

F1's problems go beyond just engines Formula 1 is pondering its engine future, but there's more for the top brass to consider than how grand prix racing should be powered 1502928000 F1

How to solve F1's overtaking problem How can the racing be improved? Would a windtunnel ban make for more interesting designs? What parts can F1 standardise? And which direction should F1 take for its next engine formula? These questions, and more, are answered this week 1502841600 F1

Why the F1 ladder can't produce new grand prix teams The days of junior teams stepping up to Formula 1 appear long gone. And the reason behind the lack of quality options to expand the grid is easy to trace 1502841600 F1