League One rumours: Twist in Sunderland striker chase | Portsmouth sign Croatian youngster | Updates on Bradford, Charlton

And reports today suggest that the Black Cats could face some competition in the race to land one of their top striking targets.

READ: Are Sunderland ready for League One? Jack Ross has his say

Elsewhere, there are updates on a host of other teams from around the league as transfer activity hots up.

Here's the rumours doing the rounds today:

Sunderland will still face competition from Bolton Wanderers in the race for Charlie Wyke - despite reports that the Championship side had cooled their interest. Bolton are set to sign Josh Magennis from Charlton and, despite already signing one striker, manager Phil Parkinson is still interested in a deal for Wyke in what is another twist in the saga (Telegraph & Argus)

Blackpool boss Gary Bowyer has admitted that he expects defender Kelvin Mellor to sign for League One rivals Bradford City (Blackpool Gazette)

LIVE: Transfer latest from the Stadium of Light as three key positions are targeted

Plymouth Argyle are reportedly keen on a deal for striker Padraig Amond - although Newport County are in no hurry to sell their prize asset (South Wales Argus)

Arsenal are one of several Premier League teams keen on a deal for Gillingham goalkeeper Tomas Holy, with Crystal Palace, West Ham and Everton also said to have registered an interest (Mirror)

Steve Evans has revealed that Peterborough are in talks with three potential new signings as they look to replace star striker Jack Marriott (Peterborough Telegraph)

MORE: New signing opens up on Sunderland switch and his promotion hopes

Fleetwood Town are interested in a loan deal for Leeds United defender Laurens de Bock, with the Belgian full-back looking set to leave Elland Road (Sun)

Nicky Ajose could be set for a switch abroad after Chalrton Athletic boss Lee Bowyer admitted that there is interest in the attacker (South London Press)

Young Croatian goalkeeper Petar Durin has signed a three-year deal at Portsmouth after leaving Atalanta (Gianluca Di Marzio)

LIVE: Transfer latest from the Stadium of Light as outgoings grow closer

Championship side Ipswich Town are set to launch a £1.25m bid for Accrington Stanley striker Kayden Jackson (East Anglian Daily Times)

Meanwhile, Ipswich are also expected to complete the signing of centre back Janoi Donacien after he missed Accrington training today (Lancashire Telegraph)