Day-to-day pitch?

So it seems about every other day my 2-seam moves. Is their a reason or do we just add this to the list of unexplained happenings?

If you’re not doing anything different on those alternate days—a slight change in the grip, for instance—if everything remains constant and consistent, I guess we can chalk it up to “just one of those things” that happens sometimes. Don’t worry about it. 8)