The ornamental design for a device for boosting fansupport at sports events, as shown and described.
FIG. 1 is a top front perspective view of a device for boosting fan support at sports events showing my new design, with stitching of a baseball and a flag shown in broke lines and forming no part of the claimed design;
FIG. 2 is a left end elevational view thereof, the right end elevational view being identical thereto;
FIG. 3 is a front elevational view thereof, the rear elevational view being identical thereto;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a top front perspective view of my design of a device for boosting fan support at sports events, wherein stitching of a soccer ball and a flag are shown in broken lines and form no part of the claimed design.
The broken lines shown in FIGS. 1-6 are for illustrative purposes and form no part of the claimed design.