Red Bull and McLaren reveal aggressive F1 upgrades at Spanish GP

More new parts emerged in the Formula 1 pitlane at the Spanish Grand Prix on Friday, with big updates from Red Bull and McLaren catching the eye. Edd Straw is joined in the Barcelona paddock by Giorgio Piola to talk about the changes both teams have made, plus what it says about how their fortunes are shaping up for the rest of the 2019 season.