Baseball is played on a diamond, in a park. Baseball begins in the spring, the season of new life. Football begins in the fall, when everything is dying. In baseball you wear a cap. Football is concerned with downs.
Baseball is concerned with ups.
In football you recieve a penalty. In baseball you make an error. In football the specialist comes in to kick. In baseball the specialist comes in to relieve somebody. Football has hitting, clipping, spearing, piling on, personal fouls, late hitting, and unnecessary roughness.