A scary scene played out at AT&T Park on Saturday afternoon during what should have a quiet and laid back batting practice session for the San Francisco Giants as they prepare for Game 1 of the NLCS against the St. Louis Cardinals. According to several writers at the ballpark, including Comcast Sports Nets' Andrew Baggerly, Giants first base coach Roberto Kelly was struck in the head by a line drive off the bat of MVP candidate Buster Posey and remained on the ground for several minutes while trainers tended to him and players gathered around to show their support. For a few heart-stopping moments that was a lot of concern in the park about his condition, especially considering he was struck in the head, but eventually Kelly was able to get to his feet and walk off. Though he did need assistance from two trainers to steady himself. First base coach Roberto Kelly walking very slowly off field, braced by two trainers. — Andrew Baggarly (@CSNBaggs) October 13, 2012 A line drive hit Kelly in the head. Several Giants making sign of cross as trainers attended to him. — Andrew Baggarly (@CSNBaggs) October 13, 2012