Chris Bryan of Collingwood evades Bachar Houli of Essendon during the NAB Cup Match between the Collingwood Magpies and the Essendon Bombers at the Docklands Stadium. Slattery ImagesCollingwood coach Mick Malthouse has been campaigning for the introduction of some form of increase to the number of players on the bench for some time. He got his wish in the NAB Cup, if only in the form of a trial.

The pre-season rule allowed for an additional two players, known as substitutes, on the bench. These players were only to be brought on in the event of a game-ending injury – once the substitution occurs, the player they replaced cannot take to the field again.

Now, the push for a permanent rule change is gaining momentum.

“I just don’t know how we are going to get across to people that we really do need to seriously consider some of the things that took place in the NAB Cup,” a frustrated Malthouse said on the weekend.

His comments came after Collingwood’s Paul Medhurst and North Melbourne’s Daniel Pratt were both sidelined in Friday night’s match. A four-plus-two bench system would have benefitted both teams on the night.

A day later, warm conditions made player fatigue an issue in the West Coast-Fremantle clash.

Daniel Kerr was reportedly badly vomiting and cramping at half-time, and he wasn’t the only player affected. The game prompted Freo coach Mark Harvey to back Malthouse’s push in yesterday’s media.

“When I look at the game now and particularly after half-time right across the board, because the intensity has gone up you see a lot of players who are just off their feet,” said Harvey.

He added: “When I walked onto the ground after the game one of the players, and I won’t tell you who it was, was hyperventilating because he was run off his feet from the game and what it does to you these days.”

He tipped six players on the bench (either a full six interchange players or the four-plus-two option, NAB Cup style) would be necessary before too long.

Put simply, the idea has merit and the continued campaigning is warranted.

Harvey’s right, the game has changed. The AFL has made no secret of their desire to speed up the game, and usage of the interchange bench has risen significantly in correlation with this in recent years.

The changes have heightened the importance of having four interchange spots available throughout the game, and they highlight the burden that’s created when playing without those spots available.

It certainly is frustrating for all parties – clubs, fans, media, et al – when star players who tend to have a significant influence on a game are sidelined, or when a number of precious bench spots are taken up by a spade of unexpected injuries.

At best, it causes the side affected to make a few adjustments.

At worst, it can create an almost-farcical environment and lead to a one-sided contest.

It’s not as if there’s a problem with sourcing the players to fill the role, either. It’s not rare to see a couple of emergencies sitting in the stands just watching the game – at times they are there instead of suiting for the reserves.

Substitution would give these guys a useful game-time role.

Although having a full six-player interchange may be too much, too soon, the four-plus-two system trialled in the NAB Cup is worthy of an introduction to the home-and-away season. It’d ensure a fairer contest for both teams on the park.

And maybe – just maybe – it’d put Mick Malthouse at ease, too.

Follow Michael on twitter @mdifabrizio
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