Ramon Castro felt discomfort in his right hamstring while testing it running the bases.
“I felt something,â€™â€™ Castro said. “(On Monday), I felt something but was able to finish. This time I couldnâ€™t.â€™â€™
Castro did not discount the possibility of opening the season on the disabled list. The beneficiary would be Raul Casanova, who homered yesterday off Tim Hudson.