By Daniel Orme Arsenal have mixed success when it comes to the January transfer window. The Gunners have regularly invested in their squad when winter comes around. Amid a fresh battle for the Premier League title, a few deals have been touted. Ivan Toney continues to be linked with a switch to the Emirates Stadium, while a few other names have featured in the gossip columns. Mikel Arteta might need to take a look at the Gunners’ previous business in the January window for some inspiration or potentially, a word of warning. Take a look at the Gunners’ last 12 January arrivals and find out how …