The dominoes are beginning to fall.

New England Patriots running back Brandon Bolden is opting out of the 2020 NFL season, WEEI's "The Greg Hill Show" reported Tuesday.

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Bolden is the sixth Patriots player who intends not to play in 2020 amid the COVID-19 pandemic as of Tuesday, per reports. Here's the list, which includes several core members of the franchise:

LB Dont'a Hightower
OT Marcus Cannon

RB Brandon Bolden
FB Danny Vitale
OG Najee Toran

S Patrick Chung

New England's players aren't alone; several players across the NFL have decided not to participate in the 2020 season, including Baltimore Ravens return specialist De'Anthony Thomas and Kansas City Chiefs offensive lineman Laurent Duvernay-Tardif.

NFL players are expected to report to training camp this week, and while the league and the NFL Players Association agreed to a return-to-play plan last Friday, some players clearly aren't comfortable playing a high-risk sport amid a global pandemic.

Stay tuned for any additional news regarding player opt-outs.