Miami Dolphins wide receiver Kenny Stills, foreground, and wide receiver Albert Wilson kneel during the singing of the national anthem before a preseason NFL game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Miami Dolphins defensive end Robert Quinn, rear, holds up his fist during the singing of the national anthem before a preseason NFL game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Robert Griffin III passes during the first half of a preseason NFL football game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Baltimore Ravens quarterback Robert Griffin III (3) is sacked by Miami Dolphins defensive tackle Jordan Phillips (97) and defensive end Robert Quinn (94) during the first half of a preseason NFL football game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens wide receiver Janarion Grant takes the kickoff during the first half of a preseason NFL game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Robert Griffin III (3) hands off to running back Kenneth Dixon (30) during the first half of a preseason NFL game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins quarterback Ryan Tannehill drops the ball during the first half of a preseason NFL game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens kicker Justin Tucker (9) attempts a field goal during the first half of a preseason NFL game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. The kick was not good. (AP Photo/Lynne Sladky)

Baltimore Ravens defensive end Brent Urban (96) celebrates after taking down Miami Dolphins running back Frank Gore (21) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins defensive end Robert Quinn sacks Baltimore Ravens quarterback Robert Griffin III (3) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Miami Dolphins quarterback Ryan Tannehill drops back to pass during the first half of a preseason NFL game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Baltimore Ravens cornerback Tavon Young, bottom, attempts to take down Miami Dolphins wide receiver Albert Wilson (15) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Baltimore Ravens linebacker Patrick Onwuasor (48) sacks Miami Dolphins quarterback Ryan Tannehill (17) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Baltimore Ravens running back De'Lance Turner scores a touchdown during the second half of a preseason NFL fotball game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens running back De'Lance Turner celebrates after scoring a touchdown during the second half of a preseason NFL football game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins defensive tackle Akeem Spence (93) congratulates linebacker Raekwon McMillan (52) after McMillan and defensive back Minkah Fitzpatrick took down Baltimore Ravens running back Gus Edwards during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Miami Dolphins wide receiver Danny Amendola (80) celebrates with center Daniel Kilgore (67) after scoring a touchdown during the first half of a preseason NFL game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins wide receiver Danny Amendola (80) dives into the end zone for a touchdown as he is tackled by Baltimore Ravens defensive back Tony Jefferson (23) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Robert Griffin III (3) passes under pressure from Miami Dolphins defensive end Andre Branch (50) as Branch is tackled by offensive tackle Greg Senat (64) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens running back Kenneth Dixon (30) attempts to avoid Miami Dolphins defensive back Minkah Fitzpatrick and defensive tackle Jordan Phillips (97) during the first half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Robert Griffin III (3) passes under pressure from Miami Dolphins defensive end Andre Branch (50) as Branch is tackled by offensive tackle Greg Senat (64) during the first half of a preseason NFL football game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins wide receiver Danny Amendola (80) dives into the end zone for a touchdown as he is tackled by Baltimore Ravens defensive back Tony Jefferson, bottom right, during the first half of a preseason NFL football game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla.

Miami Dolphins wide receiver Danny Amendola (80) celebrates with center Daniel Kilgore (67) after scoring a touchdown during the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins wide receiver Kenny Stills (10) attempts to avoid Baltimore Ravens defensive back Jimmy Smith (22) during the first half of a preseason NFL football game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Baltimore Ravens quarterback Robert Griffin III (3) scrambles during the first half of a preseason NFL football game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins kicker Jason Sanders (7) kicks a field goal as punter Matt Haack (2) holds during the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Miami Dolphins head coach Adam Gase watches the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Brynn Anderson)

Baltimore Ravens running back Mark Thompson (44) breaks free of Miami Dolphins linebacker Chase Allen (59) during the second half of a preseason NFL footballgame, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Lamar Jackson (8) dives in for a touchdown against Miami Dolphins defensive back Maurice Smith (26) during the second half of a preseason NFL game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Josh Woodrum (7) takes the snap during the second half of a preseason NFL football game against the Miami Dolphins, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens quarterback Lamar Jackson (8) and Miami Dolphins quarterback Ryan Tannehill congratulate each other after a preseason NFL football game, Saturday, Aug. 25, 2018, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)