DAVIE, Fla. -

The Miami Dolphins made a roster move on Saturday.

The Fins promoted defensive tackle Isaako Aaitui from the practice squad to the team.

The 6-4, 315 pound player originally entered the NFL as an undrafted free agent out of UNLV.

Miami has lost two straight games.

The Fins have been battling several key injuries on defense.

Miami hosts the Buffalo Bills at 1 p.m. on Sunday.