BASEBALL: Tim Lincecum to have MRI on lower back

http://www.cbssports.com/mlb/writer/jon-heyman/24764637/sources-lincecums-low-backside-issue-will-require-mri-today via /r/baseball http://www.reddit.com/r/baseball/comments/2k3tuy/tim_lincecum_to_have_mri_on_lower_back/