By Samuel Meade George Russell confessed that his and Lewis Hamilton’s Mercedes both struggled with engine issues during the Bahrain Grand Prix. The Brit qualified in third but eventually finished fifth as the Silver Arrows came home behind both Red Bulls and both Ferraris. Russell had jumped up to second early in the race, but issues with a lack of power eventually saw him tumble down the order, which he complained about over team radio. Russell confessed those issues meant they were unable to unearth the true potential of the Mercedes, which appears to be closer to their rivals than it has b…