DAVIE, Fla. (AP) - As the Miami Dolphins reach the midway point in their season, they've also arrived at a crossroads.

The Dolphins (4-4) began preparing Monday for two games in five days. With a sweep - and they'll likely be favored in both games - Miami will remain part of the AFC playoff race. Anything less, and the franchise turnaround led by new coach Joe Philbin could stall.

The Dolphins play host Sunday to Tennessee (3-5), then make their 2012 prime-time debut the following Thursday at Buffalo (3-5).

The Dolphins missed a chance to tie for the AFC East lead when they lost 23-20 Sunday at Indianapolis to snap a three-game winning streak. It was Miami's third three-point defeat, with the previous two coming in overtime.

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