Ben Rothenberg @BenRothenberg
"It’s quite tough to move. I can see what they were obviously trying to do with the surface."-Murray on slippery clay in San Diego #DavisCup
Ugh! Normal clay was probably going to be tough on his recovering back, never mind this stuff.
If I was him I'd get the hell out and leave Ward and Edmund to get on with it! Sorry, but I don't rate the DC very highly compared to the rest of a player's career.