A free agent midfielder who Sunderland were linked with earlier this summer is now on trial in League One. Sunderland have made use of the free agent market so far this summer. Kristjaan Speakman kick-started the Black Cats’ summer transfer business with the free signing of goalkeeper Simon Moore, following it up with the impressive capture of experienced Championship midfielder Alan Browne. Last month, Sunderland signed Ian Poveda, taking their summer signings tally to three, with many more expected, or rather hoped, before the August 30th transfer deadline. Sunderland are trying to sign Ike …