Baltimore Ravens quarterback Joe Flacco (5) throws to a receiver in the first half of a preseason NFL football game against the Detroit Lions, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Gail Burton)

Baltimore Ravens running back Justin Forsett, left, is tackled by Detroit Lions cornerback Quandre Diggs in the first half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Detroit Lions quarterback Matthew Stafford (9) throws to a receiver in the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens wide receiver Mike Wallace, left, catches a pass in front of Detroit Lions cornerback Darius Slay in the first half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens wide receiver Mike Wallace, left, catches a pass in front of Detroit Lions cornerback Darius Slay in the first half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens quarterback Joe Flacco (5) throws to a receiver in the first half of a preseason NFL football game against the Detroit Lions, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens wide receiver Jeremy Butler makes a touchdown catch in the first half of a preseason NFL football game against the Detroit Lions, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens quarterback Ryan Mallett, from right, wide receiver Jeremy Butler and offensive tackle Alex Lewis celebrate Mallett's touchdown throw to Butler in the first half of a preseason NFL football game against the Detroit Lions, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Detroit Lions wide receiver Golden Tate, right, is tripped up by Baltimore Ravens cornerback Shareece Wright as he rushes the ball in the first half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Gail Burton)

Detroit Lions running back Theo Riddick (25) rushes against the Baltimore Ravens in the first half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Gail Burton)

Detroit Lions quarterback Matthew Stafford (9) prepares to hand off the ball to running back Theo Riddick in the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Gail Burton)

Baltimore Ravens quarterback Ryan Mallett (7) gestures after scoring a touchdown in the first half of a preseason NFL football game against the Detroit Lions, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Detroit Lions quarterback Matthew Stafford rushes the ball in the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Gail Burton)

Baltimore Ravens kicker Justin Tucker (9) gestures after a successful extra point attempt in the first half of a preseason NFL football game against the Detroit Lions, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Gail Burton)

Baltimore Ravens cornerback Anthony Levine, second from back left, rushes the ball past Detroit Lions wide receiver Anquan Boldin (80) after making an interception in the first half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens quarterback Ryan Mallett, left, looks for a receiver as he is pressured in the second half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)

Baltimore Ravens running back Javorius Allen, right, rushes against Detroit Lions defensive back Johnson Bademosi (41) and linebacker Antwione Williams in the second half of a preseason NFL football game, Saturday, Aug. 27, 2016, in Baltimore. (AP Photo/Nick Wass)