play the ball off of

Is this "of" necessary here or redundant? Does it mean "from"?

33)Indoor soccer usually includes four or five players per team plus the goalkeeper. The size of the field is small, and is about the size of a basketball court. There are walls on all four sides of the field, and players may kick and play the ball off of the walls if they choose. Each player has a lot of contact with the ball, and has a better chance to improve his or her speed and

As a BE speaker, I consider of to be redundant after off.

Rover

And here's an extract from Grammar Girl Presents the Ultimate Writing Guide for Students written by a speaker of American English who considers 'of' after 'off' to be superfluous as well:

OF: LEAVE OF OFF
You may be shocked, but it's true that you don't need of to follow off. The of is unnecessary fluff.

Get your feet off of the couch.
(You don't need to listen because it's incorrect.)

Get your feet off the couch.
(I would get those feet off - now!)
(Grammar Girl Presents the Ultimate Writing Guide for Students - Mignon Fogarty)