We’re only four games into the 2011 season and the Giants already have a big problem. Their outfield is subpar defensively — two of their outfielders can barely track down balls. You don’t stay world champions if you can’t catch the ball. Also troubling is Miguel Tejada at shortstop, or haven’t you noticed? I wrote my Tuesday column about the Giants bad fielding and what to do about it right now. To read the column click here.