The ornamental design for a sportspoon, as shown and described.
FIG. 1 is a perspective view of the tennis sport spoon with the spoon bowl as a tennis ball and the spoon handle as a tennis racket showing my design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom thereof;
FIG. 4 is a front side view thereof;
FIG. 5 is a back side view thereof; and,
FIG. 6 is a left side view the right side view being a mirror image thereof.
The broken lines shown in FIGS. 1-6 represent the portions of the design which form no part of the claimed design, such as ball seams and holes, transitions, grips, net, shoe and sock lines.