Sammy Watkins is on track to return this week against the Dolphins. Jared Wickerham Getty Images

Coming off their bye week, the Buffalo Bills are finally getting healthy on offense. Tyrod Taylor plans to return this week against the Miami Dolphins after sitting out two games with a knee injury, joining LeSean McCoy in the backfield.

On the outside, wide receiver Sammy Watkins is also expected to be back on the field against the Dolphins. After suffering an ankle injury a few weeks ago, Watkins returned to practice as a full participant this week. He continued that trend on Thursday as he was out on the practice field getting work in with Taylor.

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Unfortunately, Taylor likely won't have his No. 2 receiver this week. Percy Harvin remains a question mark for the Bills, sitting out practice once again on Thursday due to a knee injury. Harvin has missed time due to a hip injury that spurred rumors of retirement, but it appears to be a knee ailment that's hindering his progress now.

Harvin has had trouble staying healthy throughout his career and his stint in Buffalo is much of the same. The Bills aren't sure when they'll get him back, but Rex Ryan is confident that Harvin is dedicated to the game.

Safety Corey Graham was limited in practice Thursday according to Tyler Dunne of the Buffalo News, while defensive tackle remained out as expected.