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Arian Foster visiting Dolphins on Monday; Dolphins with plenty of prime time coverage tonight

Free agent running back Arian Foster will work out for the Dolphins on Monday, nine months after a ruptured Achilles prematurely ended his season with Houston.[Monday afternoon update: Foster is signing with the Dolphins, according to NFL Network's Ian Rapoport.}

A source confirmed to me the workout, which was reported by Adam Schefter earlier this evening.

Foster, who averaged just 2.6 yards on 63 carries last season, visited the Dolphins earlier this offseason, but that visit was more exploratory in the sense that the Dolphins wanted to check on his progress from surgery.

At that time, they had no intention of signing him. This time around, the interest is more serious.

Foster also plans to work out for the Lions this week.

If Foster impresses Dolphins officials on Monday, they are expected to make an offer.

Dolphins coach Adam Gase said repeatedly during the offseason program how impressed he was with projected starter Jay Ajayi.

"He's done everything right," Gase said earlier this offseason. "You can tell he's looking to improve. He doesn't say much, just keeps working.... He's a shiftier guy than I ever thought he was."

But nobody has yet necessarily emerged for the No. 2 job.

Rookie Kenyan Drake sustained a hamstring injury on the next-to-last-day of mandatory minicamp but told me he will be fine for camp.

The coaching staff likes Damien Williams, who's competing with Drake for the No. 2 job.

Daniel Thomas and Isaiah Pead also had some moments in the offseason program.

Foster is only 29 but has been limited to a total of 25 games over the past three seasons because of injuries.

He played in just four games last season because of the Achilles', sustained in a loss to the Dolphins. He missed substantial time in 2013 with a back injury.

But he was great in 2014, rushing for 1246 yards and 4.8 per carry in 13 games.

Foster stands 10th in rushing yards among active players, with 6472. Frank Gore tops that list at 12,040.

The Dolphins, incidentally, have $17 million in cap space, according to the players union.

• Ndamukong Suh, Jarvis Landry, Jason Taylor, Larry Csonka and Dwight Stephenson all made cameos tonight on Episode 1 of Season 2 of HBO's Ballers, the Miami-based series starring Dwayne "The Rock" Johnson as a sports agent. The series airs at 10 p.m. Sundays.

Twitter: Check back Monday afternoon for more Dolphins news.