参考影片:http://www.nfl.com/videos?videoId=09000d5d809f54a4 网站上列出的一些规则改变: ‧A recommendation to eliminate force-out decisions on pass completions near the sidelines. Now, officials will have to decide only whether a receiver landed inbounds or not. The intended result is more consistency. ‧The "Phil Dawson field goal rule." Now, certain field goals can be reviewed by instant replay, including kicks that bounce off the uprights. Under the previous system, no field goals could be reviewed. ‧Deferring the opening coin toss. This is similar to the college rule. Previously,the winner of the coin toss could choose only to receive or to kick off. ‧A direct snap from center that goes backward will now be treated as a fumble. Previously, it was ruled a false start. ‧Eliminating the 5-yard face mask penalty. Now, only the serious face mask will be called (and will be assessed as a 15-yard penalty). The major foul will involve twisting or grabbing the face mask. 来源:http://sports.espn.go.com/nfl/news/story?id=3325273 另一网站对於规则改变的说明: http://www.profootballtalk.com/2008/04/02/force-out-facemask-rules-changed/ 有点看不太懂,请懂的大大解释一下,谢谢 --

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