※ 引述《Yenfu35 (宇文正平)》之铭言： : 最近棒球组群正在讨论以录影辅助裁判判决可能性。 : 当中有人提及NFL的challange制度， : 就是总教练可针对争议情形要求裁判看录影重新判决。 : 但我对这方面不太熟悉，所以要请教各位下列问题： : 1.若球队已经用完合法暂停次数，该队总教练可不可以challang？ : 2.若结果是「维持原判」，challange失败那队有何处分？ : 是不是罚後退多少码？ : 以上。谢谢罗！^^ 1.有两次Challenge机会 没有暂停就不可以Challenge 2.维持原判 就吃掉一次暂停 改判(也就是挑战有效)就不算暂停 没有其他处罚 细节可看这一篇 http://www.nfl.com/news/story/4380344 今年则是增加连续两次挑战有效还可以有第三次挑战的"奖品" 为防止连结失效 文章贴在下面:p 有空我再翻(或哪个人要翻也可以) Instant replay For the 2001-03 seasons, the NFL will continue to employ a system of Referee Replay Review to aid officiating. Prior to the two-minute warning of each half, a Coaches' Challenge System will be in effect. After the two-minute warning, and throughout any overtime period, a Referee Review will be initiated by a Replay Assistant from a Replay Booth. The following procedures will be used: Reviews by Referee: All Replay Reviews will be conducted by the Referee on a field-level monitor after consultation with the other covering official(s), prior to review. A decision will be reversed only when the Referee has indisputable visual evidence available to him that warrants the change. Coaches' Challenge: In each game, a team will be permitted a maximum of two challenges that will initiate Referee Replay reviews. Each challenge will require the use of a team time out. If a challenge is upheld, the time out will be restored to the challenging team. A challenge will never be restored. No challenges will be recognized from a team that has exhausted its time outs. Replay Assistant's Request for Review: After the two-minute warning of each half, and throughout any overtime period, any review will be initiated by a Replay Assistant. There is no limit to the number of reviews that may be initiated by the Replay Assistant. His ability to initiate a review will be unrelated to the number of time outs that either team has remaining, and no time out will be charged for any review initiated by the Replay Assistant. Time Limit: Each review will be a maximum of 90 seconds in length, timed from when the Referee begins his review of the replay at the field-level monitor. Reviewable Plays: The Replay System will cover the following play situations only: A) Plays Governed by Sideline, Goal Line, End Zone, and End Line: 1. Scoring plays, including a runner breaking the plane of the goal line. 2. Pass complete/incomplete/intercepted at sideline, goal line, end zone, and end line. 3. Runner/receiver in or out of bounds. 4. Recovery of loose ball in or out of bounds. B) Passing Plays: 1. Pass ruled complete/incomplete/intercepted in the field of play. 2. Touching of a forward pass by an ineligible receiver. 3. Touching of a forward pass by a defensive player. 4. Quarterback (Passer) forward pass or fumble. 5. Illegal forward pass beyond line of scrimmage. 6. Illegal forward pass after change of possession. 7. Forward or backward pass thrown from behind line of scrimmage. C) Other Detectable Infractions: 1. Runner ruled not down by defensive contact. 2. Forward progress with respect to first down. 3. Touching of a kick. 4. Number of players on the field. INSTANT REPLAY HISTORY From 1986-1991, a limited system of Instant Replay was used on a year-by-year basis. Replay also was experimented with during the 1986 and 1998 preseasons. For the 1999 season, the NFL introduced a system of Referee Replay Review to aid officiating. That system was extended on a one-year basis for the 2000 season and was approved in March 2001 for the next three years through 2003. Following are the results of the different systems: REGULAR SEASON, 1986-1991 Years Games Reversals Reviewed 1986 224 38 374 1987 210 57 490 1988 224 53 537 1989 224 65 492 1990 224 73 504 1991 224 90 570 TOTAL 1,330 376 2,967 PRESEASON, 1996, 1998 Years Games Reversals Reviewed 1996 10 3 13 1998 10 3 10 TOTAL 20 6 23 REGULAR SEASON, 1999-2000 Years Games Reviews Challenges Reversals 1999 248 195 133 57 2000 248 247 179 83 TOTAL 496 442 312 140 --

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