Tuilagi scored twice in the 35-3 win over Tonga, making 93m for England in 11 ball carries.
Robinson, who scored England’s try in their victory over Australia in the 2003 final, worked with the England squad before they flew out to Japan and says Tuilagi was the stand-out performer.
“I’m so excited about Manu,” says Robinson, who is now an ambassador for Rugby World Cup sponsor Mastercard. “He’s had his injuries, he’s been off for a long, long time, but having watched him in training, he’s just so strong."
Leicester centre Tuilagi has had a string of lower-body injury issues stretching back to 2014, A groin problem sidelined him in 2017, and it wasn't until February that he made his first England start since 2014.
Following Sunday’s four-try win over Tonga, England head coach Eddie Jones declared that Tuilagi was “increasingly getting close to his best”, and Robinson believes the 28-year-old is using the misery of years of on-off injury as a source of motivation.
“Physically, pound for pound, Manu’s one of the strongest out there at the World Cup. And he’s got a spring in his step.”