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Arsenal defender Nuno Tavares has been told he has plenty to learn about what is required of a left-back by a man who knew all about the position in Nigel Winterburn.

The Portugal Under-21 international was purchased from Benfica last summer becoming the first of six additions to the Arsenal squad in one very busy window. From the outset, Tavares was always viewed as a deputy for first-choice left-back Kieran Tierney and actually impressed when he was called upon.

Towards the tail-end of last year, Tavares enjoyed a number of positive showings for the Gunners both in the Carabao Cup and Premier League as he played a big part in league wins against the likes of Aston Villa and Newcastle United. Yet, the turn of the calendar year appeared to mark the beginning of a steep decline for the full-back.

He was hauled off inside the opening 30 minutes during an FA Cup third round defeat by Nottingham Forest, prompting him to angrily throw his gloves to the floor as he made his way off the pitch and back on the bench. Tavares was not seen again in the league for more than a month, a one-minute cameo coming against Watford in late February.

The latest low comes after a disastrous display away at Crystal Palace in which Tavares was arguably at fault for both of the Eagles' first-half goals before being withdrawn at the half-time stage. In the wake of Tierney's serious knee injury,