Barcelona have confirmed that Frenkie de Jong has injured his calf, likely ruling him out of their next game against Athletic Club – and possibly more games down the line. De Jong joined Barcelona from Ajax last summer for £67.5m. Despite the club's change in manager mid-way through the campaign, the 23-year-old has remained a regular fixture of the side, missing just three games across all competitions this season. Only one player has featured in more games for Barcelona this season than...