Arsenal transfer news: Defender holding up Calafiori deal as double Barcelona problem emerges
![Arsenal transfer news: Defender holding up Calafiori deal as double Barcelona problem emerges](https://i2-prod.mirror.co.uk/sport/football/transfer-news/article33276161.ece/ALTERNATES/s615/0_GettyImages-2157990269.jpg)
Arsenal are chasing the signature of Bologna defender Ricardo Calafiori, but there has been a hold-up in the transfer as Barcelona chase two of Mikel Arteta's other targets