The general consensus is that the Marlins will eventually deal with grossly overpaying for ball players whose talents have diminished at a far quicker pace than the length of their contracts.
But that is only part of the spin bowler's art - and Muralitharan is also a master of the subtleties of flight, disguise, change of pace, line and length.
The English conditions suit McGrath, who can fire the ball on a good length with sharp pace and bounce, letting the pitch or a rash stroke from the batsman do the rest.