Rankings change weekly during the season
I have to assume that you are talking about NFL professional players. Since most of them come from college football teams, most have a college education.
USC
There are approximately 119 College Football teams.
College bowl games are college football games. The only people that may compete in college bowl football games are the players from each of the college football teams.
Most NFL teams will have open tryouts. Including players who were not drafted, players from semi-pro teams, free agents and players from other sports. Notable NFL players who never played college football are Antonio Gates (San Diego Tight End who played Basketball in college) and Carlton Hasselrig (Pittsburgh Linebacker who Wrestled in college).
where teams of a certain ranking battle in a tournament to see who win a championship usually BCS but this rule is not yet enforced in college
UCLA
Football
Football because they have the largest roster of all college teams.
44 players. There would be 4 teams, with 11 players each. Team 1 and 2 would be in front of team 3 and 4 and so would be the two teams in front of two teams, and teams 3 and 4 would be behind teams 1 and 2 and so would be the two teams behind two teams.
"Ovaciones" is a Mexican sport website. One can find soccer news, football games, games results, updates of ranking of teams and players, as well as news of celeb players on it.