Date of birth
Republic of Ireland
Colin signed for the Bantams in the summer as a player/goalkeeper coach.
The 37-year-old joins the Bantams after having a similar role with Scottish Championship side Kilmarnock last season.
This is Doyle’s second spell with the club, after making 88 appearances for City between 2016 and 2018. The Irishman kept 28 clean sheets during his first spell at Valley Parade.