<Tr> <Td> Philadelphia Ballers </Td> <Td> Philadelphia, Pennsylvania </Td> <Td> </Td> <Td> James Martin </Td> </Tr> <Tr> <Td> Seattle Ballers </Td> <Td> Seattle, Washington </Td> <Td> </Td> <Td> Charles O'Bannon </Td> </Tr> <P> The JBA is made up of eight teams, with up to 10 players on each roster . The league only allows players between the ages of 16 and 21 and accepts graduating seniors or students working towards a General Educational Development (GED), with rare exceptions being included . All teams featured players primarily handpicked from tryouts held before the season . According to the league, players who fail to play professional basketball would be able to work for Big Baller Brand . </P> <P> The 2018 JBA season included an All - Star Game, Playoffs, and Finals . The regular season included eight games per team, with games taking place in venues across the United States . The champions of the inaugural season, the Los Angeles Ballers, were given Cadillac ATS vehicles as a reward from the league . Following an eight - team playoffs tournament, which concluded in August, top players from the league will face professional teams from outside the United States in an international tour in the fall and winter of 2018 . </P>

What is the age limit for the jba
find me the text answering this question