The numbers 10-19 are for quarterbacks, kickers, punters and wide receivers The numbers 20-49 are for running backs and defensive backs The numbers 50-59 are centers and linebackers The numbers 60-79 are offensive and defensive linemen The numbers 80-89 are wide receivers and tight ends The numbers 90-99 are defensive linemen and linebackersThe NCAA and high school rules for football shirt numbering states that China Coated Fabrics Suppliers only the position of "offensive linemen" must use the numbers in the range from 50-79. Since it is difficult to associate a number with a position in the game, only the goalkeeper wears number 1. Arsenal and Chelsea both used numbered shirts in their league games. Article Tags: Football Shirts, Wide Receivers. The names of the players and the numbers of the players on the football shirts were first introduced at the U.S. However the NCAA recommends that running backs and quarterbacks have numbers that are below 50 and that wide receivers have numbers that are above 79.Previously the shirts even had buttoned collars, but nowadays the shirts are button-less and sometimes even collarless.A.These shirts were originally made from cotton and quite heavy, but today football shirts are made from polyester and nylon as both fabrics are lighter in weight.com.The classic football shirt is usually short sleeved in the spring and summer months, and in the fall and winter players prefer a long sleeve football shirt.