Brown lost reelection to the Senate in November to Sen. Elizabeth WarrenElizabeth WarrenWarren on Coulter: 'Let her speak' Balanced regulatory reform the only realistic solution to CFPB divisiveness Chris Christie gives Trump a 'B' on presidency so far MORE (D-Mass.) and stepped down from office earlier this month. He is reportedly considering running in the special election to replace Sen. John KerryJohn KerryEgypt’s death squads and America's deafening silence With help from US, transformative change in Iran is within reach Ellison comments on Obama criticized as 'a stupid thing to say' MORE (D-Mass.), who will step down if confirmed as secretary of State. It would be the second time Brown ran in a special election to fill an empty Senate seat. He successfully won the election to replace the late Sen. Ted Kennedy (D-Mass.) in 2010.

No coded message on that decision in Brown's tweet on Friday, though. He is likely looking forward to Sunday's playoff game between the New England Patriots and the Houston Texans, which takes place at 4:30 p.m.