MADRID, Oct 9 (Reuters) - Barcelona defender Eric Abidal is training in the Pyrenees mountains following a liver transplant in April, the La Liga club said on Tuesday. The 33-year-old France international is working with club physio Emili Ricart on a regime that includes aerobic work, mountain walks and ball work on a training pitch, Barca said in a statement on their website (www.fcbarcelona ...