Pompey are set to complete the signing of Marcos Painter on a free transfer today.
The former Brighton left-back has been training with Guy Whittingham’s squad since the start of the week.
And his performances have convinced the Blues boss he is worth snapping up.
Painter will undergo a medical after training at the University of Portsmouth’s Langstone Campus this morning.
If given the all-clear he will sign a deal until January, with the option of extending it should he impress.
For Whittingham it will provide competition for the left-back area, having let Adam Webster go out on loan to Aldershot earlier this month.
It means Painter will vie with Dan Butler and Danny East for the role in Saturday’s visit of Morecambe.
The 26-year-old, who made five appearances in the Championship last season, was not retained by the Seagulls.
Since then he has had a trial at Yeovil, where he featured with new Pompey midfielder Simon Ferry.
In the past few months Painter has been training with Birmingham, the club where he started his career as an apprentice before leaving in 2007.
During that time he has turned out in two matches for their development squad to maintain his fitness as he has searched for a new club.
Now he has been given the opportunity at Pompey and, medical permitting, will go straight into Whittingham’s squad on Saturday.
The potential arrival of Painter will solve the left-back problem which has emerged in the early part of the campaign. Butler’s fine displays at the end of last season saw him win a two-year deal and be earmarked for the role in the new surroundings of League Two.
However, he has yet to find his best form – prompting Whittingham to take him out of the side for last weekend’s trip to Accrington.
That saw a call-up for East for his Pompey league debut, albeit in a position he had previously occupied just once in his career.
Although he is a versatile performer, East is regarded as a more realistic option for either midfield or the right-back area, in particular providing competition for Yassin Moutaouakil.
Whittingham still has every faith in Butler and sees him as a regular.
But he believes removing the 18-year-old from the starting line-up at this moment in time will aid his development.
That opens the door for Painter to impress and he will have until January to do so.
However, the Blues boss may elect to continue with East for the Shrimps’ visit this weekend after he put in a solid performance at the Crown Ground.
Painter, who spent two matches on loan at Bournemouth last season, made 81 appearances for Brighton after initially arriving on loan from Swansea.
He made 79 appearances over two-and-a-half years for the Swans, where he arrived from first club Birmingham.
Painter will become Whittingham’s 12th new face this summer and increase his squad size to 21.