NFL的开球回报在规则改变后上升,但脑震荡也上升,引发了对安全的担忧。 NFL kickoff returns rose after rule changes, but so did concussions, prompting safety concerns.

根据NFL数据,最近旨在提高玩家安全和改善游戏流的规则变化后,NFL的开球回报率增加了。 NFL kickoff returns have increased following recent rule changes aimed at enhancing player safety and improving game flow, according to league data. 然而,在回返人数增加的同时,脑震荡也明显上升,引起医疗专家和小组工作人员的关切。 However, the rise in returns has also been accompanied by a noticeable uptick in concussions, raising concerns among medical experts and team staff. 该联盟继续监测这些调整的影响,其中包括修改封锁区和方位定位。 The league continues to monitor the impact of the adjustments, which include modifications to blocking zones and player positioning.