Ball

[0001]FIG. 1 is a front elevational view of an ornamental design for a ball, shown in grayscale;

[0002]FIG. 2 is a rear elevational view of the ball of FIG. 1;

[0003]FIG. 3 is a left side elevational view of the ball of FIG. 1;

[0004]FIG. 4 is a right side elevational view of the ball of FIG. 1;

[0005]FIG. 5 is a top plan view of the ball of FIG. 1; and,

[0006]FIG. 6 is a bottom plan view of the ball of FIG. 1.