Indeed, they may have lost leading goal scorer Demba Ba to the Blues earlier this month, but the Magpies were busy themselves in the January transfer window. Looking to move clear of a relegation scrap, Newcastle brought in the likes of Mathieu Debuchy, Moussa Sissoko and striker Yoan Gouffran to bolster their squad.
The big story, though, is Ba's return to St. James' Park.
All eyes will be on the Senegalese striker as he lines up against his former teammates for the first time since his move south to Chelsea, but will he return to haunt them?
Both Newcastle and Chelsea are desperate for points for a host of reasons, and given the Blues' unconvincing performances of late—they're without a win in their last three matches—Alan Pardew will be hopeful his team can capitalise.
Bleacher Report takes a look at the key battles in this perfectly poised Premier League encounter.