Valentino Rossi didn’t underestimate Ducati challenge

Valentino Rossi didn't underestimate the size of the challenge to win MotoGP races at Ducati.But Ducati did underestimate the extent to which rivals Honda would improve in 2011, according to Rossi’s Aussie crew chief Jerry Burgess.Rossi has struggled to make a major impact at Ducati since he quit Yamaha at the end of 2010 and has managed just one podium finish in the opening 10 races.Honda