St Kilda coach Ross Lyon says the national draft remains compromised despite the AFL’s sweeping changes to draft rules around father-son and academy selections. A day after the league announced the introduction of measures demanding clubs pay a higher price for father-son and academy prospects, Lyon reiterated his call for the first round of the draft to be pure. St Kilda coach Ross Lyon says AFL changes to drafting do not go far enough. AFL Photos Port Adelaide and Carlton will be the most severely impacted by the changes, as they eye academy product Dougie Cochrane and father-son talent Cody Walker respectively later this year. Both are tipped to go as high as top two in the draft. The Saints, through club president Andrew Bassat , have led the charge for the new rules but say the changes do not go far enough. Lyon echoed those views on Thursday, saying former league chief Gillon McLachlan, a St Kilda supporter, shared his view for an uncompromised first round of the draft.…