"most connected to" is a correct and usable phrase in written English.
It is typically used to describe something that is related or linked to another thing in a significant or strong way. Example: "The conclusion is the part of a research paper that is most connected to the introduction, as it summarizes the main points and arguments presented in the beginning."
MR: Which songs are you most connected to either from feeling a deep personal connection or because they changed you in some way?
He said he felt most connected to his heritage through playing in the majors.
(Sadly, I frequently read about altercations, most connected to accusations of slow play).
Ms. Kishimoto is probably the candidate most connected to politics and issues on the neighborhood level.
Of the five men who are most connected to the scandal, Nichols pointed out, only Sandusky has been convicted.
It was at times like this, full of calm and terror, Potter said, that he felt most connected to himself and his surroundings.
In recent years, doctors have tended to focus far more narrowly, on so-called sentinel nodes, the one or two most connected to the internal plumbing of the tumor.
Since 2009, Toyota has recalled more than 14 million vehicles globally, with most connected to the floor-mat issue or a defect in the design of the accelerator pedal.
Those who are most connected to her exhaustive network of political financiers — some of whom remained in her orbit with plum invitations to official diplomatic soirees — say its most important members will make no move until she gives the signal.
The book is episodic, and since it's by a self-confessed Anglophile you might be inclined to link it to Chaucer or to the serial novel (Baker's quaint chapter titles include "Shandee Wears the Sponge Gloves" and "Chilli Goes to the Porndecahedron With Dave"), but its structure seems most connected to the golden age of porn films.
