Bradford City manager Phil Parkinson has confirmed the club have spoken to free agent defender Nathan Clarke.
The 31-year-old left Leyton Orient after cancelling the final year of his contract in order to move closer to his family in the north of England.
"He's a player we've had a chat with because he wants to move back up here," Parkinson told BBC Radio Leeds.
"Centre-back is an area that we need to strengthen up but we are looking at other areas too."
Clarke started his career at Huddersfield Town, making 266 league appearances for the Terriers before joining Orient in July 2012.
Meanwhile, Bantams boss Parkinson says they may move to cover injured midfielder Filipe Morais.
The Portuguese winger has been ruled out for most of the 2015-16 season with a ruptured anterior cruciate ligament.
"It was a blow for us and him, but we can't let that affect the squad," Parkinson added.
"We need to make sure we are happy with that right-hand side. There are players out there we can get and we have got to push the boat out to get them."