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If Ben Simmons avoids setbacks, the Brooklyn Nets expect him to be available for Game 4 of the first-round NBA playoff series against the Boston Celtics.

Please ... beat the Pistons.

1984. >> my explanation was it's like a freight train hitting a volkswagen. >> now a high-tech game changer called the mvp, mobile virtual player, the brain child of dartmouth engineering students and head football coach. >> just as close as you can get short of tackling a real person. >> a robot with speed. >> we've clocked in, you know, five-second 40-yard dash. >> capable of moving forward, backwards, even spin moves. >> it makes some quick cuts too. it's definitely pretty difficult to tackle. >> the mvp allows players to rehearse in-game scenarios without tackling each other reducing one o...

35 miles per hour into a brick wall. so imagine that a thousand to 1, 500 times a year. that repetitive force to the head with the brain moving inside. >> reporter: after high-profile cte cases were found in pro-athletes, the nfl made a rule limiting the number of contact practices. but the ncaa only has guidelines, no rules. so over a year, a college athlete can get hit more times. here's a breakdown. during the season, nfl rules allow just 14 contact practices in an 18-week period. ens yay guidelines recommend no more than two per week during a 12-week season. that's twice as many as the pro...