To signify a fumble.
There are many street football variations including but not limited to Loco, Bull In The Ring, Rumble Fumble, Jump Off, Throw it up football, Throw-Up Tackle and Muckle.
John Elway was clocked at 61 mph.
If you throw it right, the football will spiral everytime.
Yes, considered part of the player.
The football player was teaching a fledgling how to throw the ball.
You throw a football like you would a baseball.
You must be in good physical condition and you have to be able to catch and throw the football and you have to be able to run.