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

The F1 perfectionist who pushed too soon Formula 1's carbonfibre pioneer was a legendarily tough cookie, known as the 'Prince of Darkness' (at McLaren) and the 'Godalming Scud' (at Benetton). Has time mellowed the father of some of F1's most beautiful cars? Asks STUART CODLING 1537660800 F1

How to make F1 strategies interesting The FIA has asked tyre companies to submit a tender application to supply Formula 1 rubber from the 2020 season, with 18" coming in 2021. PAT SYMONDS asks if alongside the new tyres, steps need to be brought in to make sure future race strategies are varied and interesting 1537574400 F1

How a WRC rebel is becoming a title favourite Ott Tanak has gone from being repeatedly dropped and swearing at M-Sport to leading Toyota's World Rally Championship charge. It's already a remarkable story, and it could have a spectacular ending 1537488000 WRC

The F1 outcast who became a surprise star in 2018 One of the stars of the 2018 Formula 1 season is a man not even on the grid anymore, but who has revelled in a surprise new role after being abruptly jettisoned by his team last year 1537488000 F1