Former Liverpool midfielder Danny Murphy has now made a bold claim about one hugely impressive Arsenal player. Declan Rice has lived up to, and perhaps even surpassed, all expectations at Arsenal this season. Since joining the North London outfit for a club-record £105 million fee in the recent summer transfer window, the 25-year-old has been in sensational form. Mikel Arteta will be delighted with the impact that the former West Ham United man has been able to have at the Emirates Stadium. Rice has even been hailed as the best Arsenal signing since Dennis Bergkamp joined the club. The midfiel…