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				 Klitschko, who went unbeaten for 11 years before losing to 
				Tyson Fury in 2015, has 64 wins against four defeats and will be 
				hoping to seize Joshua's IBF heavyweight crown as well as the 
				vacant WBA and IBO titles also up for grabs. 
				 
				"Hopefully, I have a couple of years left in me," the 
				41-year-old Ukrainian told British media. 
				 
				"I was always saying health and motivation is very important. If 
				one of those things is missing then it doesn't make sense to 
				continue." 
				 
				Klitschko will face Joshua on April 29 in front of a 90,000 
				strong crowd at Wembley, one of the largest crowds in British 
				boxing. 
				 
				"In regards to pressure, it's just enjoyable. Anthony Joshua is 
				a great fighter, I'm taking on the best out there to be the 
				best. It's challenging... My next stage is bigger than my last," 
				Klitschko said. 
				 
				"The attention for the previous fight was less compared with 
				this. It is an upgrade, it is a winning upgrade. I love it." 
				 
				(Reporting by Aditi Prakash in Bengaluru; Editing by Peter 
				Rutherford) 
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