The Bengals improved to 8-0 for the first time in franchise history, their longest winning streak within a season.
Manziel had some of his best moments in the opening half, which ended with Cincinnati up only 14-10. In the second half, the Browns managed only 32 yards and two first downs.
Dalton was 21 of 27 for 234 yards. Eifert's three touchdown catches gave him nine for the season, tying the club record for a tight end.
Copyright 2015 by The Associated Press