Winks, 20, still talks to Parker regularly, calling the 36-year-old for advice, and could face him in the FA Cup on Sunday.
BBC Sport has been told that 53 footballers that have been reported for breaching betting rules are only "the tip of the iceberg."
Home side turned in a shambolic display in the absence of injured top scorer Tammy Abraham.
Blackburn Rovers have appointed Tony Mowbray on an 18-month contract following the departure of Owen Coyle.
Philip Billing secured a sixth successive Championship victory for Huddersfield, who won 1-0 against promotion rivals Reading.