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

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

Why Ricciardo needs to put anomalous 2019 behind him Daniel Ricciardo's first season at Renault in 2019 offered plenty of promise, but ultimately no podiums. Now established as the Formula 1 team's lead driver, he needs that statistic to change in 2020 to keep his long-term options open 1582675200 F1

What we learned from the final MotoGP test Yamaha topped the times in the final MotoGP pre-season test in Qatar, but there are plenty of other storylines bubbling below the surface as preperations intensified for the start of the new season in March 1582675200 MotoGP

Why day one of the second test was unusually cagey The second week of F1 testing is typically when clear narratives begin to emerge, but many question marks still remain this year as teams are content playing their cards close to their chests. It will be the final two days before we see a fuller picture emerge 1582675200 F1

Closing the knowledge gap on concussion Concussion remains an area of sporting injury in which medical research and practice are still playing catch-up, but work is ongoing to change that 1582588800 Performance