Baseball stitching is a term used to describe the process of sewing together the pieces of leather that make up a baseball. The two main components of this process are seams and SEAM. Seams are the stitches that run along the edges of the leather pieces, while SEAM is the stitch that runs along the middle of the leather pieces. Both of these stitches are necessary for the construction of a baseball and must be done with precision in order to ensure the ball's durability.