The January transfer window isn't as hectic nor does it tend to see as many big money deals like what transpires during the summer. However, over the past decade there are key instances where big clubs have elected to jump at the opportunity of signing players during the winter, no matter the hefty price tag.
There's a variety of reasons why the January window doesn't see as many blockbuster moves. A major one is player price tags go up given squads would be disrupted midseason and with the shortened window, there's not a lot of time to maneuver and find replacements.
