Brendan Jason Kiernan (born 10 November 1992) is an English professional footballer who plays as a midfielder for EFL League Two club Walsall. He spent his early youth career at Bromley, Fulham and Crystal Palace before joining AFC Wimbledon at the age of 16. He made his league debut for AFC Wimbledon as a substitute on 18 March 2011, at the age of 18.
He joined Walsall on 1 July 2021.
Club Career
Early years
Kiernan started his career in the youth team at Fulham, but left as a youngster to join Crystal Palace. He stayed with the club until he was 16, but was released at the end of the season in 2009. He then joined the AFC Wimbledon Senior Academy at South Thames College, where he got picked for the England Colleges team.
AFC Wimbledon
The midfielder made his league debut for "The Dons" in a Conference game against Crawley Town in a 3–1 defeat on 18 March 2011, coming on as a substitute for Luke Moore. Kiernan only featured in one more game in the 2010–11 season, a 0–0 draw with Forest Green Rovers, which was his first League start for the club, securing a place in the Conference play-offs. Following AFC Wimbledon's promotion to the Football league Kiernan made his football league debut on 24 September 2011 when he came on as a substitute for Luke Moore in a 2–1 win over Bradford City in League Two. On 27 January 2012, Kiernan signed for Braintree Town on a one-month loan deal, making four appearances in total. Kiernan scored his first goal in professional football in the First Round of the League Cup against Stevenage on 14 August 2012. It would only prove to be a consolation, however, as AFC Wimbledon went on to be defeated 3–1. Having broken into the first team under manager Terry Brown at the start of the 2012 season, Kiernan left the club by mutual consent on 8 April 2013 under new manager Neal Ardley.
Bromley
Following his departure from Wimbledon, Kiernan joined his local club Conference South side Br