Roberts refuses to dwell on uncertainty of job  Trying to land
spot on Cubs' bench, infielder not worried about future  Roberts
refuses to dwell on uncertainty of job  MESA, Ariz. -- Ryan
Roberts used to fill out roster sheets the way people complete
NCAA basketball brackets. He'd try to predict different
scenarios as to where he fit. Will he make the Cubs? He doesn't
know.  "It could go thousands of ways," Roberts said. "What you
think might be different than what [another player] thinks.
Everyone has their opinion. At the end of the day, no opinions
matter. It's whatever they want to do, and nobody will know that
until it comes out of their mouths."  Roberts, 33, used to fret
about such things.  "I would stay up, filling out 25-man
rosters, seeing who's where, who's what, how do I fit into this
and that," he said. "It never works out, it never does."  A
perfect example, he said was the 2009 season. A free agent after
'08, Roberts had signed with the D-backs.  "I broke down their
roster a hundred times in Sp