Patent attributes
Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a body portion being hollow to define an interior cavity, a filler material in the interior cavity, and a face portion, which may include a face perimeter portion having a perimeter edge defined by a face toe edge, a face heel edge, a face top edge, and a face sole edge, a face recess portion on the back surface and having a recess perimeter portion at least partially surrounded by the face perimeter portion, and a plurality of back groove portions in the face recess portion. The plurality of back groove portions may extend proximate to the recess perimeter portion along at least 50% of the recess perimeter portion. Other examples and embodiments may be described and claimed.