The search for a new general manager will begin immediately.
Brown has spent the past two seasons leading the Browns, assembling a 1-27 record since he took over.
ESPN reported on Thursday that the team made a decision to fire executive vice president Sashi Brown, who was the head of the Browns' personnel department, after almost full two seasons on the job.
As Sashi packs up his boxes fans aren't letting him off the hook for what may go down as the biggest flub and embarrassing moment of his tenure. The 2018 draft and off-season is pivotal for our franchise, we need to ensure that we maximize our opportunity for success; with our picks, free agency and building our roster.
Atletico Madrid's Champions League exit is no failure: Coach Diego Simeone
But instead, they found themselves behind in the 56th minute when Saul Niguez shot the visitors in front. In fact no side from the same country can play another at this stage.
Cleveland also failed to process the paperwork in time to execute a trade for Cincinnati Bengals quarterback A.J.
The Browns have stockpiled picks for future drafts, with six additional picks in April's draft.