SF Giants' Austin Slater exits game with concussion-like symptoms after fence collision.

SF Giants' Austin Slater exits Reds game with concussion-like symptoms after crashing into outfield fence during first inning. Giants already missing two right-handed bats in catcher Tom Murphy (knee) and designated hitter Jorge Soler (shoulder), adding Slater's potential concussion to their injury list. Manager Bob Melvin said there's a "good chance" Slater sustained a concussion.