Date of birth
Blues academy product made his professional debut for Pompey in an EFL Cup first round extra time defeat to Coventry in August 2016, having previously taken a place in the squad for several first team fixtures in 2015/16.
Bass spent most of 2016/17 on loan at Evo Stik Southern League outfit Salisbury, as part of the Whites side that reached the play-off final, only to be denied promotion by Tiverton Town.
And the teenage stopper made his league bow at the age of 20, keeping a clean sheet on the final day of the 2017/18 season at home to Peterborough.
Bass penned a new three-year contract on July 9, 2018, joining National League South outfit Torquay United on a loan agreement for the duration of 2018/19 on the same day.
Returned from an injury-hot loan spell with the Gulls in December, playing 90 minutes for the Blues during their Checkatrade Trophy third round clash win over Southend in January 2019.