Byerley Park trainer Danny Walker senses an opportunity at Te Rapa on Saturday with in-form winter galloper Crystallize. The last start winner contests the Super Seth @ Waikato Stud Mile (1600m), an Open Handicap in which the six-year-old gelding will carry 52.5kgs after the claim of apprentice Ace Lawson-Carroll. A now seven-time winner, the gutsy[...]