I have found that there is often more Tshirts than needed for the quilt. So to get more shirts in a quilt, I often split them, and sew two or more of them into one section. Like I might take a number from the back of a team shirt, and put the pocket logo on it, maybe in the corner or off to one side. T shirt material does not unravel - so you only need to top stitch it in place.