BALTIMORE, MD - NOVEMBER 04: Head coach John Harbaugh of the Baltimore Ravens speaks with side judge Jeff Lamberth #21 during the second quarter against the Pittsburgh Steelers at M&T Bank Stadium on November 4, 2018 in Baltimore, Maryland. (Photo by Scott Taetsch/Getty Images)
BALTIMORE, MD - NOVEMBER 04: Pittsburgh Steelers head coach Mike Tomlin has words with line judge Carl Johnson (101) after a penalty in the second half on November 4, 2018, at M&T Bank Stadium in Baltimore, MD. The Pittsburgh Steelers defeated the Baltimore Ravens, 23-16. (Photo by Mark Goldman/Icon Sportswire via Getty Images)
DENVER, CO - NOVEMBER 4: A referee talks to DeAndre Hopkins (10) of the Houston Texans after signaling he caught the ball to head coach Vance Joseph of the Denver Broncos during the first quarter. The Denver Broncos hosted the Houston Texans at Broncos Stadium at Mile High in Denver, Colorado on Sunday, November 4, 2018. (Photo by Joe Amon/The Denver Post via Getty Images)
CHARLOTTE, NC - NOVEMBER 04: Cam Newton #1 of the Carolina Panthers borrows the ball from a referee for a touchdown celebration against the Tampa Bay Buccaneers in the second quarter during their game at Bank of America Stadium on November 4, 2018 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)
