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

Robot pitcrews and hydrogen – is DTM's concept plausible? DTM organiser ITR has mooted a radical plan for a "truly new and inspiring" future motorsport series. How realistic are its suggestions of automated pitstops and 1000bhp hydrogen-fuelled touring cars? 1573430400 DTM

Marquez's secret weapon for taming the Honda Marc Marquez is carrying Honda to 2019 MotoGP dominance single-handedly with a bike no one else seems able to master. And that might be down to how he uses motocross to hone his style 1573430400 MotoGP

The enduring legacy of a motorsport engineering giant An engineering genius and skilled entrepreneur with a gift for instilling confidence in drivers, the late Robin Herd was a man of many talents. Half a century on from the birth of March, he is remembered by those who worked with him and knew him best 1573430400 Engineering

Is Alex Marquez more than just a 'brother of...'? Both Marquez brothers enjoyed title success in 2019 - with Marc triumphing again in MotoGP and Alex winning Moto2. But for the latter, it has been a painful journey back to glory, riding in the shadow of his brother's success 1573257600 Moto2