FIG. 1 is a perspective view of a lacrosse head showing our new design; FIG. 2 is an elevated left side view thereof; FIG. 3 is an elevated right side view thereof; FIG. 4 is a top plan view thereof; FIG. 5 is a bottom plan view thereof; FIG. 6 is an elevated rear view thereof; and, FIG. 7 is an elevated front view thereof. The broken line illustration of environmental structure in the drawings is not part of the claimed design.