Spanish giants Barcelona have been keeping a close eye on proceedings at Arsenal in recent months, and are keen on several figures within the club. Manager Mikel Arteta was linked with a move to Barcelona, whom he previously played for, but he strongly denied these rumours last month. Barcelona manager Xavi is set to step down at the end of the season, but the club want to strengthen their options on the wing, and have now been linked with Arsenal star Gabriel Martinelli. The winger has had an inconsistent season overall, but has thrived in recent weeks as his pace has proven very useful for A…