Dominic Calvert-Lewin joined Everton from Sheffield United in the summer transfer window.
All six teams from the White Rose county that have played Premier League football are represented, including both Sheffield clubs and Bradford City.
The Wolves defender is currently on loan at Bramall Lane.
Fourteen years ago Sheffield United endured one of the longest and most dramatic seasons in English football history and this is how it happened.
Sheffield United, Bradford City and Millwall feature in this preview of what to look forward to in League One and League Two
Caolan Lavery has switched from Sheffield Wednesday to Sheffield United.
HITC Sport understands Sheffield United are eyeing the Dutchman.
HITC Sport understands Sheffield United close on defensive duo.
Sheffield United are reportedly interested in signing Luke Murphy from Leeds United before the end of the summer transfer window.
Millwall informed the Blades that their centre-back is not for sale.