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Replay reversals up sharply
 The percentage of reversals on coach’s challenges has risen about 5 percentage points from 39.4% at the end of the 2014 season to 43.4% after week 4, while the reversal percentage including booth reviews has increased 10 percentage points from 36.6% to 46.2%.
Jim Caldwell leads the pack getting reversals on all 3 coach’s challenges through week 4, while the Saints, Falcons, Giants, Eagles, and Chargers have yet to throw the challenge flag. Ron Rivera has challenged the most plays so far, recording a 50% reversal rate on 6 challenges.
Replay statistics through Week 4
The table below shows the percentage of reversals by coach’s challenge so far this season. The number of reviews initiated by the replay official is shown for reference.
| Â | Coach | Â | Reversals | Challenges | Success % |
|---|---|---|---|---|---|
| 1 | Jim Caldwell | DET | 3 | 3 | 1.000 |
| Â | Rex Ryan | BUF | 1 | 1 | 1.000 |
| Â | Mike McCarthy | GB | 1 | 1 | 1.000 |
| Â | Lovie Smith | TB | 1 | 1 | 1.000 |
| Â | Ken Whisenhunt | TEN | 1 | 1 | 1.000 |
| 6 | Bill O’Brien | HOU | 3 | 4 | .750 |
| 7 | Ron Rivera | CAR | 3 | 6 | .500 |
| Â | Bruce Arians | AZ | 1 | 2 | .500 |
| Â | John Harbaugh | BAL | 1 | 2 | .500 |
| Â | Marvin Lewis | CIN | 1 | 2 | .500 |
| Â | Gary Kubiak | DEN | 1 | 2 | .500 |
| Â | Mike Zimmer | MIN | 1 | 2 | .500 |
| Â | Jack Del Rio | OAK | 1 | 2 | .500 |
| Â | Pete Carroll | SEA | 1 | 2 | .500 |
| — | Replay Booth | NFL | 31 | 64 | .484 |
| 15 | John Fox | CHI | 1 | 3 | .333 |
| Â | Mike Pettine | CLE | 1 | 3 | .333 |
| Â | Jason Garrett | DAL | 1 | 3 | .333 |
| 18 | Chuck Pagano | IND | 0 | 1 | .000 |
| Â | Gus Bradley | JAX | 0 | 1 | .000 |
| Â | Andy Reid | KC | 0 | 1 | .000 |
|  | Joe Philbin†| MIA | 0 | 1 | .000 |
| Â | Bill Belichick | NE | 0 | 1 | .000 |
| Â | Jeff Fisher | STL | 0 | 1 | .000 |
| Â | Mike Tomlin | PIT | 0 | 2 | .000 |
| Â | Jim Tomsula | SF | 0 | 2 | .000 |
| Â | Todd Bowles | NYJ | 0 | 3 | .000 |
| N/A | Dan Quinn | ATL | 0 | 0 | Â |
| Â | Sean Peyton | NO | 0 | 0 | Â |
| Â | Tom Coughlin | NYG | 0 | 0 | Â |
| Â | Chip Kelly | PHI | 0 | 0 | Â |
| Â | Mike McCoy | SD | 0 | 0 | Â |
| — | Coach’s total |  | 23 | 53 | .434 |
(2014 final replay statistics) Totals including the replay official: 54/117, .462
Source: NFL game statistics, regular season only. †-No longer with team.
