T.R. Sullivan reports that the Texas Rangers have informed pitcher Matt Bush that he will be returning to the bullpen to start the season and will not be used as a starter. The former 1st overall pick had been stretching out all spring, even going so far as to work on a third pitch, but it appears the Rangers were not comfortable or confident enough to plug him in. With Bush returning to the pen, an already fuzzy closer situation becomes even more so. [...]