Position scarcity: Myth or reality?

Updated: February 21, 2013, 11:10 PM ET
By Todd Zola | Mastersball.com
The Merriam-Webster dictionary definition of scarce is "deficient in quantity or number compared with the demand: not plentiful or abundant." White lions are scarce. Four-leaf clovers are scarce. Movie sequels better than the original are scarce. Good middle infielders in fantasy baseball are scarce. …