The Los Angeles Chargers are a professional American football team in the National Football League (NFL) based in the Greater Los Angeles Area. The club began play in 1960 as a charter member of the American Football League (AFL), and spent its first season in Los Angeles before moving to San Diego in 1961.[1] They returned to Los Angeles in 2017. NFL teams assign each of their players a jersey number ranging from 0 through 99.[2] The Chargers no longer issue six retired numbers.