Tippett 's season looked in danger of ending abruptly when he went down in the Swans ' round 12 loss to Greater Western Sydney .
After initially deciding against an operation , the club sought a second opinion that recommended Tippett go under the knife .
Tippett 's season looked in danger of ending abruptly when he went down in the Swans ' round 12 loss to Greater Western Sydney , and after initially deciding against an operation , the club sought a second opinion that recommended he go under the knife .