The ornamental design for a mat for sports, as shown and described.
FIG. 1 is a perspective view of the mat for sports showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is another perspective view of the mat for sports shown in an alternate position; and,
FIG. 8 is an enlarged view of a circle portion 8 of FIG. 2.
The mat for sports is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. The broken lines are for the purposes of illustrating portions of the mat for sports and form no part of the claimed design.