Our new number 22 joined Watford on a one-year deal with the option of a further year from Arsenal in July 2019.

He had previously spent time in the youth setups at West Ham United and Tottenham.

Since joining the Hornets, Bayli  has been a regular for the Under-23s and has trained with the first team.

On January 23, 2020, Spencer-Adams made his first-team debut for Watford in an FA Cup third round replay against Tranmere Rovers.

In August 2020 he signed a new one-year contract with the option of a further year.