Valentim, who has signed on amateur terms, was last registered with Shooting Stars in his homeland.

Clyde's website stated that manager Colin Hendry has been impressed by the player in training and in recent bounce games with the Division One club.

He had also received favourable reports about the player from clubs in England, where he also had trial spells.

It is Clyde's second signing in a week, Slovakian right-back Dusan Bestvina having also signed as an amateur.

Bestvina had impressed as a trialist against Queen of the South last weekend.

The 26-year-old played last season with Mistelbach in Austria having previously played for his hometown club, Spartak Trnava.