It was 50 years ago this month that Jim Murray's sports column debuted in the Times, notes Larry Harnisch of the Daily Mirror. Some selections from his opening work:I am against the bunt in baseball — unless they start batting the ball against John McGraw batted against. The last time the bunt won a game, Frank Chance was a rookie. ...I'm glad the Rams traded Billy Wade. I won't say Billy was clumsy, but on the way back from the line of scrimmage with the ball he bumped into more people than a New York pickpocket. I have seen blockers make ball-carriers look bad. Wade was the only ball-carrier I ever saw make the blockers look bad. ...I really don't understand why the Angels haven't signed up Bob Kelley to do their broadcasts. He's the only guy in town who can