Miami Dolphins running back Mark Walton has been suspended four games for violating the NFL conduct and substance abuse policy.

The four-game league suspension, which is without pay, stems from Walton’s three offseason arrests between January and March.

The Dolphins have been in communication with the NFL for several weeks, and they were aware a suspension was likely coming before they traded Kenyan Drake to the Arizona Cardinals for a conditional sixth-round pick last month.

Walton, who has been the Dolphins’ starting running back the past four games, will be eligible to return Dec. 2 following the team’s Week 13 game against the Philadelphia Eagles.

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He is allowed to be in the facility and attend meetings during the suspension, but he won’t practice, play or receive his salary during the next four weeks.

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