The highlights of Coventry City's 1-0 home defeat to Newport County are available via Sky Sports.
To see these, please click on http://www.skysports.com/watch/video/sports/football/10996766/coventry-0-1-newport
Tweeting his error which saw City lose the match. Liam O'Brien wrote: "Gutted about the result ... I hold my hands up for the goal ! Part and parcel of being a goalkeeper... move on now and put it right sat!"
The defeat has dropped Coventry City down to fourth in the table.
Swindon Town are top with seven points on goal difference from Exeter City with Luton Town in third place.
Crawley Town are bottom of the league without a point.
Amongst the former City players on target were:
Marvin Sordell and former City loanee Lloyd Dyer scored Burton Albion's goals in a 2-1 win over Birmingham City on Friday night.
Former City loanee Gary Madine scored for Bolton Wanderers in a 2-1 home defeat to Derby County.
Former City loanee Dominic Samuel scored the only goal of the game as Blackburn Rovers won at Bradford City.
Shaun Miller scored for Carlisle and Richard Duffy scored for Notts County.
Former City youngster Shaun Jeffers scored in the 40th minute of Boreham Wood's 2-1 win over Aldershot.