49ers ILB Foster: 2nd shoulder surgery not necessary

Inside linebacker Reuben Foster, the second of two first-round picks by the 49ers on Thursday, said Friday that reports he might require a second shoulder surgery "are not accurate at all" and that his rehabilitation is on schedule after he underwent a procedure to repair his rotator cuff before the NFL combine in February. Foster's medical file partly explains why he slipped to the No. 31 pick in the first round of the draft. He was sent home from the combine after he got into an argument with a hospital employee during his physical. [...] he also tested positive for a diluted urine sample at the combine, which the NFL counts as a positive drug test. Foster's draft party Thursday night in Miami was sponsored by a tobacco and marijuana vaporizer company. [...] he shared a humorous story about the eventful moments just before he learned the 49ers were drafting him after trading up three spots to No. 31. Before 49ers general manager John Lynch contacted him, Foster was on the phone with the Saints, who planned to pick him at No. 32.