HITC Sport understands Derby and Fulham are leading the hunt for the Preston star.
Derby County are said to have failed with an offer of around £2 million for the Preston North End winger.
Sunderland have appointed Simon Grayson as their new manager.
The Preston North End striker has been reportedly lined up for a £1.5m bid - but Aston Villa cannot afford to stand idly by.
The Preston North End star's fine form is said to have alerted Fulham among others.
The talented striker has impressed for Preston North End this season after apparently failing to make the grade at Aston Villa.
Paul Lambert handed Callum Robinson his debut at Aston Villa and, four years on, they could be reunited at Wolves.
Queens Park Rangers boss Ian Holloway has reportedly signalled a £1.5 million offer for the Preston North End winger, who is also being tracked by Fulham and Wolverhampton Wanderers.
Wolverhampton Wanderers are said to be keen on the Preston North End winger, who their manager knows from his time at Aston Villa.
Villa will come up against their former young star this weekend.