Aspartate aminotransferase (AST) is an enzyme thatâs present in various parts of the body. An enzyme is a protein that helps trigger chemical reactions that your body needs to function. AST is found in the highest concentrations in your muscles, heart, and liver.
One Answer: it depends on the player and club   Another Answer: For American football (NFL), the minimum salary in 2010 for a first year player will be $325,000; for a â¦player with ten or more years experience, $860,000.
They make good money. A National Football League ref can make anywhere from $25,000 to $70,000 a season, although since most of the games are on Sundays, they can also have other jobs during the week. (We'll get to those in a minute.).