Sports electronic training system with sport ball, and applications thereof

A method of interacting with a sport ball, comprising:

• receiving with a portable electronic processing device physiological data generated by a physiological monitor that is configured to be worn by an individual during an athletic activity;
• receiving with the portable electronic processing device ball data generated by a monitor of the sport ball;
• storing the received physiological data and ball data in a memory of the portable electronic processing device;
• and
• calculating a single performance index value for the individual that factors in both the physiological data and the ball data.

A sports electronic system, comprising:

• a first identification device that is configured to be coupled to an athlete;
• and
• a sport ball that includes a second identification device,
• wherein one of the first identification device and the second identification device comprises a radio-frequency identification (RFID) tag that is involved in the transfer of identification information between the first identification device and the second identification device when the athlete contacts the sport ball,
• wherein the identification information is an identification value that is unique to the athlete.