'We need training' - Iraola

[Getty Images]Liverpool boss Andoni Iraola says his side "needed" a clean sheet in their 2-0 friendly win over Como but warned they "need training" time in the weeks to come.Liverpool drew 0-0 with the Italian side in a behind-closed-doors friendly on Sunday and then won an encounter in front of fans at Anfield later in the day.The shutouts followed friendlies where the Reds conceded three against Monaco and four against Leeds."I think we need a little bit this feeling of finishing with a clean