Darnold throws 2 TDs, Panthers smother Steelers backups 34-9

Carolina Panthers quarterback Sam Darnold looks to pass during the first half of a preseason NFL football game against the Pittsburgh Steelers Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Nell Redmond)

Carolina Panthers quarterback Sam Darnold is tackled by Pittsburgh Steelers linebacker Robert Spillane during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Jacob Kupferman)

Carolina Panthers quarterback Sam Darnold watches during the first half of a preseason NFL football game against the Baltimore Ravens Saturday, Aug. 21, 2021, in Charlotte, N.C. (AP Photo/Jacob Kupferman)

Carolina Panthers wide receiver Terrace Marshall Jr. scores against the Pittsburgh Steelers during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Jacob Kupferman)

Carolina Panthers quarterback Sam Darnold passes against the Pittsburgh Steelers during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Nell Redmond)

Carolina Panthers quarterback Sam Darnold tries to pass under pressure form Pittsburgh Steelers linebacker Robert Spillane during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Jacob Kupferman)

Carolina Panthers wide receiver D.J. Moore is tackled by Pittsburgh Steelers cornerback Justin Layne during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Nell Redmond)

Carolina Panthers wide receiver Terrace Marshall Jr. celebrates after scoring against the Pittsburgh Steelers during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Nell Redmond)

Carolina Panthers wide receiver Terrace Marshall Jr. scorches past Pittsburgh Steelers linebacker Robert Spillane during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Nell Redmond)

Carolina Panthers quarterback Sam Darnold passes against the Baltimore Ravens during the first half of a preseason NFL football game Saturday, Aug. 21, 2021, in Charlotte, N.C. (AP Photo/Jacob Kupferman)

Carolina Panthers wide receiver D.J. Moore is tackled by Pittsburgh Steelers cornerback Justin Layne during the first half of a preseason NFL football game Friday, Aug. 27, 2021, in Charlotte, N.C. (AP Photo/Nell Redmond)