David Raya is currently missing Brentford's friendly game against Aston Villa in the Premier League Summer Series. The Bees face Villa in a friendly clash on Sunday.
Raya has been left out of the matchday squad amid the links with Arsenal.
According to David Ornstein, the Gunners are exploring a deal to sign the Bees goalkeeper. The club have not made a bid yet, however, Brentford are aware of the interest.