Lewis Hamilton ready for F1 Bottas battle as Ferrari struggle to keep pace

Mercedes teammate Valtteri Bottas is biggest threat to the world champion while Max Verstappen and Red Bull show promiseHaving retaken the lead of the F1 championship and now enjoying a seven-point advantage over Valtteri Bottas, Lewis Hamilton acknowledged his Mercedes teammate is proving his most challenging rival this season. Hamilton has repeatedly talked up the challenge from Ferrari but now, with a 48-point lead over Sebastian Vettel and Ferrari looking to have dropped even further off Mer