West Ham sign left-back Boiro on loan

Adama Boiro was born in Senegal and moved to Spain at the age of four [Getty Images]West Ham United have signed Athletic Club left-back Adama Boiro on a season-long loan deal, with an option to buy.The 24-year-old has played 45 times for the Basque club, including six appearances in last season's Champions League."I like the challenge that's in front of us here," Boiro told West Ham's website."This is a club with ambition and an objective to get promoted, and I think my mentality, my desire and