If you are a prospective professional baseball player then here is the first posted set of independent baseball tryouts for the 2009 off-season:  http://cblproball.com/cgi-bin/forms/tryouts.pl

The Continental Baseball League (with teams in Texas and Louisiana) is holding instructional tryouts, with the potential to be signed to a spring training contract, throughout the U.S.  The first is scheduled for September 12-13 in Greensboro, NC and the next is scheduled for September 20 in Plano, TX (just north of Dallas).  Check the link for eligibility requirements, registration fees, and additional date/time/location of other tryouts.