 In his first season at Leicester, Allen was faced with breaking into a first-choice centre pairing of Aaron Mauger and Dan Hipkiss.However, his ability to cover both positions and a series of injuries to his rivals allowed him to quickly establish himself in the side.Before long, he was a first-choice centre and he marked his debut season at the club with the first major trophy of his career as Leicester won the Guinness Premiership final against Saracens.