Brown lost reelection to the Senate in November to Sen. Elizabeth WarrenElizabeth Ann WarrenBipartisan group of lawmakers aim to reform US sugar program Schumer: Dems want DACA fix in government spending bill The Hill interview — DNC chief: I came here to win elections 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 Forbes KerryKerry: Trump's rhetoric gave North Korea a reason to say 'Hey, we need a bomb' Russian hackers targeted top US generals and statesmen: report Trump officials to offer clarity on UN relief funding next week 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.