Here's a picture of actual baseball cupcakes.
And here's a picture of the baseball cupcake box.
The lid is cut from ¾” thick aspen lid, and the markings made from red fabric paint. Since aspen is porous, seal it well with shellac or lacquer before you add the decoration so you can remove any paint mishaps easily.
To position the "stitching", cut two equal sections of the ring from the cupcake base pattern and use them as a guide to mark the location for the "stitches".