By Guy Williams

Doncaster K .... 45pts
Tries: Olowofela 1, 7, 46; Roberts 7, Tait 35, Bennett 40, Rokoduguni 80
Conversions: Bennett 7, 35, 40, 46; Bunting 80

Ampthill ............ 31pts
Tries: Joseland 26, Isaacs 53, Qorowale 57, Strachan 71, Barton 76
Conversions: Barton 26, 71, 76
Doncaster's star signing Semesa Rokoduguni, the former Bath and England winger, scored on his debut but the show was stolen by another debutant, full-back Jordan Olowofela, who scored a thrilling hat-trick.
The former Leicester and Nottingham flyer shot over in the first minute, and then broke through twi...