Sticky this when you can.
List any player you wish to not give arbitration to. Include your team, position, full name (nicks not required), and level they're at.
I.E.
Anaheim
1B Rod Carew, AAA
SS Gary DiSarcina, AAA
SP Chuck Finley, Majors
You'll be able to do this until the final game of the world series, unless redsfan28 advises otherwise.