Ryan Tannehill threw two touchdown passes as Miami (3-3) held on to beat the visiting St Louis Rams 17-14.
St Louis (3-3) had an opportunity to tie the game as time expired, but rookie kicker Greg Zuerlein sent a 66-yard field-goal attempt wide.
Tampa Bay quarterback Josh Freeman threw for 328 yards and three touchdowns as the Buccaneers (2-3) posted their first win in four games with a 38-10 victory over the Kansas City Chiefs (1-5).
Rian Lindell kicked a 25-yard field goal in overtime to give Buffalo (3-3) a 19-16 win over the Arizona Cardinals (4-2) to join the Patriots, Jets and Dolphins a four-way tie in the AFC East.
Rookie quarterback Robert Griffin III ran in two touchdowns, including one from 76 yards, to give the Redskins (3-3) a 38-26 win over the Minnesota Vikings (4-2).