St. Louis Rams quarterback Austin Davis (9) is sacked by Miami Dolphins defensive tackles Kamal Johnson (73) and Anthony Johnson (76) during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

St. Louis Rams quarterback Austin Davis (9) hands the ball to St. Louis Rams running back Trey Watts (42) during the first half of an NFL preseason football game against the Miami Dolphins, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

St. Louis Rams quarterback Austin Davis (9) looks to pass as Miami Dolphins defensive end Dion Jordan (95) approaches, during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins running back Daniel Thomas (33) runs for 5 yards for a touchdown as St. Louis Rams defensive tackle Ethan Westbrooks (62) and others defend, during the second half of an NFL preseason football game, Thursday, Aug. 28, 2014, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

St. Louis Rams quarterback Garrett Gilbert (5) is sacked by Miami Dolphins linebacker Chris McCain (47) during the second half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. The Dolphins defeated the Rams 14-13. (AP Photo/Wilfredo Lee)

The Miami Dolphins walk to the field before the start of an NFL preseason football game against the St. Louis Rams, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

St. Louis Rams cornerback E.J. Gaines, right, intercepts a pass intended for Miami Dolphins running back Marcus Thigpen (34) as Rams defensive back Cody Davis (38) falls to the field, during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins defensive tackles Miami Dolphins defensive end Tevin Mims (46) and Kamal Johnson (73) celebrate after Johnson and a teammate sacked St. Louis Rams quarterback Austin Davis during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

St. Louis Rams cornerback E.J. Gaines, right, intercepts a pass intended for Miami Dolphins running back Marcus Thigpen (34) as Rams defensive back Cody Davis (38) falls to the field, during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

St. Louis Rams wide receiver Austin Pettis (18) looks to the bench after scoring a touchdown during the first half of an NFL preseason football game against the Miami Dolphins, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. At left is Rams wide receiver Stedman Bailey (12). (AP Photo/Lynne Sladky)

Miami Dolphins quarterback Matt Moore passes the ball during the first half of an NFL preseason football game against the St. Louis Rams, Thursday, Aug. 28, 2014, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins running back Orleans Darkwa is tackled by St. Louis Rams defensive tackle Ethan Westbrooks (62) during the second half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins quarterback Seth Lobato (4) congratulates wide receiver Matt Hazel (83) after Hazel scored a touchdown during the second half of an NFL preseason football game against the St. Louis Rams, Thursday, Aug. 28, 2014, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins wide receiver Matt Hazel runs the ball for a touchdown during the second half of an NFL preseason football game against the St. Louis Rams, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

St. Louis Rams coach Jeff Fisher, left, and Miami Dolphins coach Joe Philbin shake hands after the Dolphins defeated the Rams 14-13 in an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

St. Louis Rams quarterback Garrett Gilbert, right, and Miami Dolphins quarterback Ryan Tannehill chat after an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. The Dolphins defeated the Rams 14-13. (AP Photo/Wilfredo Lee)

St. Louis Rams linebacker Daren Bates (53) brings down Miami Dolphins running back Daniel Thomas (33) during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins safety Michael Thomas (31) and free safety Reshad Jones (20) attempt to tackle St. Louis Rams wide receiver Stedman Bailey (12) during the first half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins guard Dallas Thomas (70) defends St. Louis Rams defensive end Michael Sam (96) during the second half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins running back Marcus Thigpen (34) carries the ball during the second half of an NFL preseason football game against the St. Louis Rams, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

St. Louis Rams quarterback Austin Davis (9) throws the ball during the first half of an NFL preseason football game against the Miami Dolphins, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Miami Dolphins running back Damien Williams (5) carries the ball as St. Louis Rams defensive back Avery Cunningham (43) attempts to tackle, during the second half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. The Miami Dolphins defeated the St Louis Rams 14-13. (AP Photo/Lynne Sladky)

St. Louis Rams defensive end Kourtnei Brown (93) pursues Miami Dolphins quarterback Seth Lobato (4) during the second half of an NFL preseason football game, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

St. Louis Rams quarterback Austin Davis (9) looks to pass during the first half of an NFL preseason football game against the Miami Dolphins, Thursday, Aug. 28, 2014 in Miami Gardens, Fla. (AP Photo/Lynne Sladky)