Speaking to PTI from Manchester, Vijender (75kg) said he has increased his sparring sessions ahead of his third bout and is focussing on endurance and power.
"How do you respond to such threats? I can only laugh, let him say what he feel like. He has all the freedom to say what he wants. But I talk only in the ring and in a language he will understand quite well," the former Olympic World Championships bronze-medallist said.
But the 30-year-old Indian is least perturbed.
"If he is experienced, than I am no less. I am an Olympic medallist. Obviously he is more experienced in the pro circuit but I am experienced enough not to be affected by it," he said.
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"My USP is that I hardly ever get worried. I know it's my job and I will be facing up to a variety of people, so I don't get too affected," he added.
Talking about his training, Vijender said not much has changed apart from the increased frequency of sparring sessions.
"But after the bout I am looking forward to a nice new year celebration," he signed off.