Cricket Australia will make neck guards necessary for Australia and home gamers from October 1 which means the likes of Steven Smith and David Warner, amongst others, can be compelled to put on them on their helmets having resisted doing so since their introduction in 2015.

Mandatory neck guards are one in all numerous modifications made to CA's enjoying situations forward of the 2023-24 season together with a change to the automated six rule for balls that hit the roof at Marvel Stadium within the BBL, with the umpires now to make a discretionary resolution on whether or not the ball was travelling over the boundary. Several different modifications have been made to hurry up play within the Big Bash leagues, together with deadlines on harm stoppages and streamlining stumping evaluations.

"I do not and will not wear them," Warner wrote. "When I turn my head...wearing a StemGuard, it impedes my neck and restricts the movement of my neck when I turn around to face bowlers. I have tried a StemGuard and it digs into my neck. It is uncomfortable and is a distraction.

"With security, the helmets are getting heavier. As a participant, it's what you are feeling snug with. I'm going with with the ability to see higher, and with the ability to transfer my neck."

Steven Smith did wear a neck guard briefly in the 2019 Ashes•Getty Images

Smith has also avoided wearing them with the exception of a couple of occasions. He was not wearing one when he was concussed after being hit by Jofra Archer in a Test match at Lord's in 2019. He spoke about having to wear one on his return from concussion during that series.

"I've tried them earlier than and I attempted them the opposite day once I was batting [in the nets] and I reckon my coronary heart price went up about 30 or 40 right away," Smith said. "I simply really feel claustrophobic. I evaluate it to being caught in an MRI scan machine.

"They're probably going to become mandatory, so I'm going to have to get used to them. I'm sure the more I wear them, the more I practice with them, my heart rate will come down and everything will be okay."

CA has now launched comparable guidelines on neck guards to the ECB with umpires to implement their use in home matches, however these requirements will apply to Australia's worldwide gamers solely in all matches each residence and away, though worldwide umpires cannot implement them underneath ICC guidelines. Australian gamers selecting to not put on them will now face CA code of conduct penalties.

"Protecting the head and neck is extremely important in our sport," CA head of cricket operations Peter Roach stated. "The neck protector product has come a long way in recent years and the decision to make them mandatory comes off the back of a lot of advice and consultation with a wide range of experts and stakeholders."

A variety of gamers have hit the roof at Marvel Stadium•Getty Images

Changes to stumping evaluations

In different modifications to the enjoying situations, balls hitting the roof at Marvel Stadium in Melbourne are not robotically six. The on-field umpires will now make a judgment name on whether or not the ball was travelling for six and in the event that they determine it was not, will probably be a useless ball. This follows a number of examples the place high edges that went straight up into the roof have been awarded six runs regardless of clear proof that the ball wouldn't have landed past the interior circle.

Also within the BBL and WBBL, any umpire evaluations for a stumping won't embody a TV umpire evaluate for caught behind as properly. The TV official will solely adjudicate on the stumping. Captains might want to use the DRS to question a caught-behind resolution and the evaluate have to be taken earlier than the TV umpire adjudicates on a stumping.

There have been additionally a number of new situations added to hurry up play. On-field harm assessments, except for concussion assessments, are actually restricted to at least one five-minute window. Players needing additional remedy might want to depart the sphere, which means batters could be compelled to retire harm.

CA has additionally eliminated the Covid-19 substitute rule from their enjoying situations consistent with the ICC doing the identical.

Alex Malcolm is an Associate Editor at ESPNcricinfo