The ornamental design for a sport brace, as shown and described.
FIG. 1 is a front view of a first aspect of a sport brace of the present inventive design;
FIG. 2 is a rear view thereof;
FIG. 3 is a right side view thereof; and
FIG. 4 is a top view thereof.
FIG. 5 is a front perspective view of a second aspect of the sport brace of the present inventive design;
FIG. 6 is a rear view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is a top view thereof.
Broken lines in the drawings are for the purposes of illustrating environmental structure and form no part of the claimed design. The sport brace shown in FIGS. 1 through 4 is for use on the left knee, and the sport brace shown in FIGS. 5 through 8 is for use on the right knee.