While Everton fans will no doubt be disappointed by the prospect of no longer seeing Cahill punch the Goodison Park corner flag, perhaps on second glance, there are several reasons the Australian has been tempted to jump teams.
And no, "get away from Phil Neville" isn't on the list.
OK, so the Red Bulls aren't the richest club in the MLS, but Everton aren't known for their deep pockets. There's no doubt Cahill will be earning more at his new home.
As great as Everton is, spending eight years at a club is becoming an increasing rarity.
This move is an opportunity for Cahill to make his mark at a new club, in front of a new audience.
Love him or loathe him, Thierry Henry is one of the greatest strikers the world has ever seen. The prospect of linking up with the French legend will certainly have contributed to Cahill's choice.
Cahill will have desperately wanted to win silverware at Everton, but despite playing in two FA Cup Finals in England (one with Millwall), Cahill has an empty trophy cabinet at home. NY represents a chance to change this.
As wonderful a servant as Cahill has been, his talent has slowly begun to dwindle in the past 18 months. NY represents a chance for Cahill to get his "mojo" back.
Everton have loaned Landon Donovan twice now: It's about time they gave something back to England's friends from across the pond, right?