After a troubling start to the year, Mikel Arteta’s Arsenal side seem desperate for January additions to boost their misfiring squad. Ivan Toney is a name constantly linked with the club, but much like the rest of Arsenal’s targets, he seems too expensive in January. Arteta and Edu Gaspar are said to be working under very tight FFP parameters, with it looking like players would have to leave for anyone to arrive this month. That being said, four names have been most often mentioned as Arsenal’s most ‘sellable’ assets. All of Aaron Ramsdale, Eddie Nketiah, Emile Smith Rowe and Reiss Nelson have…