By Kieran King Leeds forward Patrick Bamford has revealed that ex-Middlesbrough team-mate Alvaro Negredo “hid in the showers” at half-time during a game and “had a cigarette.” Negredo, who noted Real Madrid, Manchester City and Sevilla among his former employers, joined Boro on a season-long loan after their promotion to the Premier League in July 2016. Six months later, Bamford followed the Spaniard to the Riverside Stadium as he signed on a permanent deal from Chelsea. And in their short time together at Boro, Bamford has recalled when Negredo decided to smoke a cigarette at half-time during…