“We have to keep on pushing,” Garrett said. “There's still seven more games and things like this move our destiny out of our hands. But we just got to keep going forward and try and get into that win column.
“We can't expect the offense to put up 30 every game. We have be there and do our job.”
The Browns looked to be in control in the first half before the Bills took a 13-10 lead in the closing moments with Josh Allen's touchdown pass to Stefon Diggs, who was uncovered in the end zone.
Garrett said the Browns' troubles are rooted in not being focused during games.
“That's been our biggest weakness at this point, not having that attention to detail, not focusing and not finishing,” he said. “Those little things keep getting us. Those penalties. The special teams mistakes that we had. And just not being where we're supposed to be.”
Brissett, who completed 28 of 41 passes for 324 yards and three touchdowns, blew several chances to come away with a win.
“We shot ourselves in the foot, and that's obviously been the theme a couple of games,” Brissett said. "We just got to really hone in. It's getting to that point in the season where the margin is getting even slimmer.
“I know I've got to be better in those moments. We as a team, offense, have to be better in those moments.”
Cleveland rallied within eight points, setting up an onside kick in the final seconds that Bills receiver Gabe Davis failed to grab and running back Taiwan Jones knocked out of bounds.
“We just didn't do enough as a team to beat a good team,” Stefanski said. “And that's the frustrating part, but they fought. Now we've got to finish."
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