By Ollie Phillips Congratulations to Northampton Saints on winning the Premiership final. The East Midlanders’s 25-21 victory over Bath was a reflection of just how good they have been all season. They finished the Premiership top of the pile, level on points with their final opponents, and came out on top in a thriller at Twickenham to win their first title since 2014. And kudos to Bath; they were down to 14 men for much of the game after Beno Obano was handed a red card by referee Christophe Ridley. Something needs to be done about red cards in finals. I don’t claim to have the answers but I…