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Coaching: The Dolphins couldn't find a way to properly protect Tannehill or consistently get to Luck, who passed for a rookie-record 433 yards. They also failed to build on a 17-10 edge in the final 2:30 of the first half, going three-and-out at midfield, then letting the Colts draw closer with a 10-play field-goal march.

Grade: C

Turning Point: Sean Smith's missed tackle on Colts tight end Dwayne Allen with the Colts facing third-and-11 from their 5 in a tie game. Allen gained 20 yards on the play and the Colts marched down for the game-winning points. Smith also dropped two possible interceptions, including one at the Colts' 35 with three minutes remaining.

Second Guess: Even though the rushing attack averaged 4.7 yards per carry, the Dolphins passed on 16 of 17 fourth-quarter plays. The lone run saw Reggie Bush gain 9 yards. As they did in the overtime loss to the Jets in Week 3, the Dolphins got far too pass-happy at the end.

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