However, he reached the semi-final of the Ireland Open Classic in September, and won the non-ranked Gleneagle Irish Masters in early November, thus hinting at an upturn in form.
In the 2008 PDC World Darts Championship, Walsh defeated Adrian Gray in the first round, setting up a second-round match with Taylor.
He then reached the second round of the 2008 World Matchplay, defeating Colin Lloyd in the opening match of the tournament but lost to Kevin McDine.
On 17 January, Walsh hit a nine-dart finish in the Eddie Cox Memorial Players Championship in Gibraltar against Caven to win the deciding leg of their first round match.
[9] Walsh was whitewashed 0–5 in his opening Group H game of the Grand Slam of Darts, but came back to defeat both Wayne Jones and Christian Kist 5–4.
[10] After all 33 ProTour events of 2012 had been played, Walsh was 23rd on the Order of Merit, inside the top 32 who qualified for the Players Championship Finals.
[12] Walsh reached the last 16 of the 2013 World Championship with wins over Darren Webster and Justin Pipe, but then lost to Wes Newton 1–4, having missed three darts to only trail 2–3.
[15] In October, Walsh reached the quarter-finals of a Pro Tour event for the first time in a year at the 11th Players Championship as he beat the likes of Andy Hamilton and Newton, before his run was ended with a 6–4 defeat against Robert Thornton.
[16] He lost 5–0 to Robert Thornton and 5–1 to Andy Hamilton at the Grand Slam of Darts, before a consolation 5–2 victory over Justin Pipe but Walsh was already resigned to finishing bottom of the group.
[17] At the 2014 World Championship Walsh missed five darts to extend his first round match against Jarkko Komula into a final set as he lost 3–1.
[23] Despite losing in the final round to Vincent Kamphuis on the last day, Walsh had done more than enough to win his place back right away as he topped the Q School Order of Merit.
[26] He has won six non-televised PDC titles: the Welsh Regional final of the UK Open in September 2005, the Gleneagle Irish Masters in November 2007,[27] the Coventry Players Championship and the UK Open East Midlands Regional plus two more Players Championships in Barnsley beating Jamie Caven and in Germany beating Andy Hamilton 6–5.