They should be concentrating on the ball carrier - if he's going into contact what is everyone's role?

BBC: Jeremy Guscott column

When the ball carrier is on the ground, someone on the defense must at least touch him so he's ruled down.

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Healy has developed into a fine scrummager as well as a powerful ball carrier, but admits he will have a nervous few days in the build-up to Saturday's clash.

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Contact should always be taken on the terms of the ball carrier, but that is only the first part because he then needs his team-mates coming in to secure possession.

BBC: Jeremy Guscott column

Ireland were doing a great job of turning over possession as they prevented the England ball carrier from getting to ground, and Kidney's side were also playing with pace and width in attack.

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Often it will be your fellow back rowers arriving first and they need to be in the correct positions either side of the ball carrier to protect the ball and make it almost certain that it comes back on the right side.

BBC: Jeremy Guscott column

When Phillips chooses to spread the play, defenses have to contend with stand-off Rhys Priestland, whose booming kicks can change field position in an instant, or the prospect of attempting to tackle the muscular midfield of Jamie Roberts, a 6-foot-4, 243-pound battering ram, and Jonathan Davies, a bruising 6-foot-1, 227-pound ball carrier with a deceptive turn of speed.

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He's a very smart carrier with the ball in hand.

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Apple, same as makers of Android phones, has to play ball with the cellular carriers to prohibit smartphone owners in the U.S. from buying a phone through one carrier and using it on or porting it to any of the other three major carriers with full connectivity.

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