The Diamondbacks will reach an agreement with pitcher Randy Johnson by today?s 3 p.m. (Arizona time) window that completes a trade with the New York Yankees to re-acquire the future Hall of Fame left-hander, The Arizona Republic has learned. The deal won?t become official until Monday after Johnson, 43, completes and passes a full physical in the Valley. But there is strong reason to believe that won?t be an issue and that Johnson will then by introduced during a news conference on Tuesday at Chase Field. Johnson and his representatives agreed to a contract extension for the 2008 season, which could pay him anywhere from $10 to $14 million or more. The Yankees will pick up $2 million of his $16 million salary for this season, and some of that base pay may be deferred into next year?s contract.