Aled Davies joined the Men in Black from Ospreys and signed a three-year deal which will keep him in north London until 2023.
Capped by Wales at Under-16 and Under-18 level, he made his professional debut for Scarlets in the 2009/10 season, going on to make 120 appearances for the region before joining Ospreys in 2018.
Davies made his Saracens debut against Bristol Bears in August 2020.
The first of Davies’ 20 Wales caps came in 2017 on their summer tour to New Zealand when he came off the bench against Tonga, before starting in a win against Samoa a week later.
He also featured in four of the five Six Nations fixtures during Wales’ 2019 Grand Slam campaign including a start in the win over Italy in Rome.
The scrum-half debuted in the 2019/20 season for Sarries scoring on the final day against Bath.