Whakakihia te rerenga e whai ake nei: I te 2012 World Championship i puta mai ia mai i te huinga ki te hinga i a Warren French, 3<unk>1 i te rauna tuatahi. I takaro a Walsh ki a Kevin Painter i te 32 whakamutunga ka hoki mai mai i te 1<unk>3 ki te whakataurite i te tukinga ki te 3<unk>3. Heoi, kaore i taea e ia te pupuri i tana nekehanga, i a ia e ngaro ana i te huinga whakatau e 3 waewae ki te 0 ki te wehe i te whakataetae 3 <unk> 4. I te World Matchplay, i hinga a Walsh i a Colin Osborne 10 <unk> 8 i te rauna tuatahi, i mua i tana whiu 4 <unk> 13 na James Wade i te 16 whakamutunga. Ahakoa te wikitoria i te huinga tuatahi i tana tukinga tuatahi ki a Robert Thornton i te World Grand Prix, kotahi noa iho te waewae ka ngaro ia 1<unk>2. I tohu a Walsh mai i te Roopu 8 o te Rōpū Whakataetae me te wikitoria 6-5 ki a Steve Beaton. Heoi, i mutu ia i raro o te roopu toa tokowaru, i wikitoria i tetahi o ana whakataetae e whitu. I whiua a Walsh ki te 0<unk>5 i tana tukinga o te kapa H o te
Grand Slam of Darts, engari i hoki mai ki te patu i a Wayne Jones me Christian Kist 5 <unk> 4. Heoi, ko tana hinganga nui me nga wikitoria iti i te tikanga kaore ia i eke ki te waahanga patu i runga i te rereketanga o te waewae. Whai muri i nga huihuinga 33 ProTour katoa o te tau 2012, ko Walsh te 23 i runga i te Order of Merit, i roto i te 32 o runga i tohu mo nga Whakamutunga Whakataetae Kaihauturu. I whiua ia e 1<unk>6 e Thornton i te rauna tuatahi.