Collingwood leads England to opening victory
England 229 for 4 (Collingwood 75*, Cook 64) beat Bangladesh 228 (Tamim 125, Swann 3-32) by six wicketsScorecard and ball-by-ball detailsAlastair Cook connects with a slog-sweep during his brisk innings•Getty ImagesTamim Iqbal's glittering 125 was…