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Barcelona have stepped up their search for attacking depth, with Kevin Gameiro and Lucas Perez two of the top names on their list.

Luis Enrique's men have had a curious season, and while it will likely end in a league-and-cup double there remains a sense of what might have been after Champions League elimination at the quarter-final stage.

While Barca are certain to spend big on a central defender this summer and are trying to convince Paris Saint-Germain to part with Marquinhos, they are also desperate for someone to plug into their attack.

Sporting director Robert Fernandez and his assistant Urbano Ortega have been searching for a player who could play anywhere across the frontline, who would fit into Barcelona's style of play and, crucially, someone who wouldn't mind being their fourth-choice striker.

(Image: Denis Doyle)

Lionel Messi, Neymar and Luis Suarez hate missing out on games but a heavy schedule, including a trip to Japan for the Club World Cup, has taken its toll on the trio's energy levels at the business end of the season.

Luis Enrique wants a forward who can fill in for any of the three but who knows that, when fit, the 'MSN' will start the big matches.

Kevin Gameiro has emerged as a target since January after another fine season for Sevilla. The French international would be expected to cost around €20million although there is talk of including Denis Suarez in any potential deal.

Barcelona are set to exercise their buyback clause of €3million to bring Suarez back to the Nou Camp this summer yet he may simply be used as a makeweight in their striker search after the Seville club asked if they'd consider sending him back to the team where he won the 2015 Europa League on loan.

The fear is that the France international may be too expensive for Barca to justify as a back-up option and, according to local newspaper SPORT, the club are also considering Lucas Perez of Deportivo La Coruña.

27-year-old Lucas has had a peculiar career but impressed enough on loan at Depor last season to earn a permanent deal.

This season his form has exploded, scoring 16 goals in La Liga to keep them away from relegation.

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