The ornamental design for a basketball, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a basketball showing my new design, the top plan view, back view and bottom plan view being identical with the front view;
FIG. 2 is a right side view thereof; the left side view being identical with the right side view; and,