England dropped Andrew Flintoff for "a breach of team discipline" following reports the all-rounder had capsized a pedalo in the early hours of Saturday morning following the side's six-wicket loss to New Zealand in their World Cup opener here Friday.
Several other England players were reported to have been seen out late, at a nightclub near the team's hotel, after the New Zealand defeat.
Flintoff's place was taken by Ravi Bopara, the Essex all-rounder making his World Cup debut in only his second one-day international
Canada, thrashed by seven wickets in their Group C opener by Kenya last week, made two changes with Desmond Chumney replacing Qaiser Ali and George Codrington in for Henry Osinde.
Canada: Geoff Barnett, Abdool Samad, Ashish Bagai (wk), Ian Billcliff, John Davison (capt), Desmond Chumney, Ashif Mulla, Sunil Dhaniram, Umar Bhatti, Anderson Cummins, George Codrington
England: Michael Vaughan (capt), Ed Joyce, Ian Bell, Kevin Pietersen, Paul Collingwood, Ravi Bopara, Jamie Dalrymple, Paul Nixon (wk) Liam Plunkett, James Anderson, Monty Panesar
Umpires: Billy Doctrove (WIS) and Peter Parker (AUS)
TV umpire: Rudi Koertzen (RSA)
Match referee: Jeff Crowe (NZL)