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I'm sure we all remember the Paul George incident where he snapped his leg when  he came down into the basketball hoop. Due to this the NBA made new basketball hoop regulations and made teams move the hoops back from the baseline. This will help reduce horrific injuries like what happened to Paul George.

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In the older days Shaq and other powerhouse centers were known for destroying rims and backboards. Due to the new rim and backboard materials this is basically impossible. This is a good thing because now when players come in with a big dunk there won't
be any delay while waiting for a new hoop.

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Rolling an ankle or coming down wrong on a leg happens all the time in the NBA. New products have been able to help prevent these injuries. This is a pretty big deal because rolled and sprained ankles happen all the time and it sucks to see a great player to go down due to something like this.

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In the past couple years there has been a huge debate over the safety of football and CTE. There are new helmets now that instead of just cushioning the impact, deflect off horizontally. This is a good step in the right direction of making football "safer".

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The pylon cam is exactly what it sounds like. it is a camera looking down the goal line that is in the pylon. It helps to ensure that the player broke the plane of the touchdown.

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Gloves have become a necessity for skills players in the NFL. Gloves are sticky and help with catching. It is a good thing because if we weren't allowed gloves then there wouldn't be as many amazing catches in the games.

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Major League Baseball (MLB) allows the use of instant replay review to allow league officials to review certain types of plays in order to determine the accuracy of the initial call of the umpires on the field. Reviews may be initiated either by a team's manager with limitations or by the umpires themselves. All instant-replay reviews are examined by an umpire at the Replay Command Center in New York City, who has the final decision as to whether to uphold or overturn the initial call.

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While bats made of ash have always been a popular choice, maple, willow and pine were also commonly used, and it wasn’t unheard of to see spruce, cherry, chestnut and sycamore. Basically, if it could be chopped down, it could be a bat. After a couple decades of natural selection, round, ash bats had become the preferred choice. From the 1870s onward, ash continued to be the most popular for major league batters until Barry Bonds picked up a maple bat and started breaking records.

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Balls were made by cobblers from the rubber remnants of old shoes, with rubber cores wrapped in yarn and a leather cover. Now in our time balls are made the same way every time and are specially made for grip and movement in the pitches.

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The hockey stick changes length depending on the game situation. If the player is in a defensive mode, the stick can be extended to its maximum allowable length to allow better blocking of shots. When the player transitions to the offensive puck handling mode, the stick reverts to its optimal length as determined by the height and preference of that player. This would be great for situations when your team has a player in the penalty box where defensive play is called for. The stick length could be changed, perhaps, with a push button and spring-loading within a certain range.

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The puck tracker helps viewers keep up with the puck and can be turned off if needed. It helps staticians keep up and make sure they always keep up with game.

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The new cameras – one in each goal post – would provide additional angles for reviewing potential goals.  The height, which was determined after testing multiple spots on the post, should provide a better view without obstructions from the crossbar or any players or sticks above it.  Unlike the rear-mounted goal-cam, the goal post cameras will also be able to offer accurate angles relative to the goal line.

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The goal cam is designed to make sure the ball fully crossed the goal line or was saved before it fully crossed the goal line.

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The uniqueness of the shape and design of a ball to a particular sport has meant that there were very little changes over time. However, in more recent years, there have been dramatic changes in the shape and design of soccer balls. Particularly, there have been substantial changes in the shape and design of the panels used to construct the official balls of FIFA World Cup tournaments.

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The biggest changes to the classic black soccer cleat have been most noticeable since the 1920’s.  And while there were other companies that made soccer cleats, the industry would be changed forever in 1924 when Adolf and Rudolf Dassler started the Dassler Brothers Shoe Factory in Herzogenaurach, Germany.
The company’s first boot was geared toward bobsledders but Adolf, known as ‘Adi’, had a love and passion for all sports and quickly developed a soccer cleat that had 6 or 7 replaceable, nailed studs, which could be changed according to the weather conditions of play. This type of cleat stud is still used.