You'll have to be more specific about your question. By the the way you framed your question I would have to assume that you are asking the difference between professional (American) football rules of the NFL and college rules from the NCAA division 1, of which there are far too many to go over here. They range from the number of feet you must have in bounds when you catch a pass (1 in college, 2 in pro) to the way overtime is conducted (NFL has a suddent death format, college has a back and forth format). There are literally hundreds of differences.
titans
the rule were based largely on the rugby football unios codes from
arena football is pro football but it is just 50 yards and has different rules. semi pro football is like a little league for the NFL.
Football has the same rules world wide. All countries at pro level have to adhere to the same rules.
A pro football because the quarterback is used to throwing the pro football and not a Nerf football.
A pro football player.
The duration of Pro Football Highlights is 1800.0 seconds.
The duration of Pro Football Now is 1800.0 seconds.
The commissioner decides on the rules in football.
Canton, Ohio. Where the Pro Football Hall of Fame is.
Pro Football Highlights was created on 1950-09-15.
Pro Football Hall of Fame was created in 1963.