This is the fourth of a 10-column series designed to help owners playing in keeper league (KL) and dynasty formats look ahead over the next few years to address their weak spots. From now through December, we'll be putting forth by-position lists of our favorite low-dollar players and prospects. All could be relatively available in your leagues -- and could earn double-digit dollars sometime over the next three seasons, between 2012 and 2014. Our criterion includes the following: