Dallas Cowboys wide receiver Amari Cooper (19) warms up on the field prior to an NFL divisional football playoff game against the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Dallas Cowboys owner Jerry Jones and Los Angeles Rams owner Stan Kroenke on the field prior to an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams defensive end Michael Brockers (90) runs onto the field prior to an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Members of the Los Angeles Rams run onto the field prior to an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams strong safety John Johnson (43) runs onto the field prior to an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams owner Stan Kroenke with Los Angeles Lakers forward LeBron James on the field prior to an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

The Los Angeles Rams huddle on the field prior to an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

A general view of the flag during the national anthem prior to an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams long snapper Jake McQuaide (44) prepares to snap the ball prior to an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Dallas Cowboys quarterback Dak Prescott (4), outside linebacker Sean Lee (50), offensive guard Zack Martin (70), punter Johnny Hekker (6), running back Todd Gurley (30), defensive end Michael Brockers (90), cornerback Aqib Talib (21), offensive tackle Andrew Whitworth (77), and quarterback Jared Goff (16) meet on the field for the coin toss prior to an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Musician Brian King Joseph performs the national anthem prior to an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Los Angeles Rams wide receiver JoJo Natson (19) jumps on the field prior to kickoff during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams defensive end Aaron Donald (99) and nose tackle Ndamukong Suh (93) rush as Dallas Cowboys quarterback Dak Prescott (4) throw during an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Dallas Cowboys wide receiver Amari Cooper (19) runs into the end zone for a touchdown during an NFL divisional football playoff game against the Los Angeles Rams Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Dallas Cowboys wide receiver Michael Gallup (13) celebrates with wide receiver Amari Cooper (19) during an NFL divisional football playoff game against the Los Angeles Rams Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams kicker Greg Zuerlein (4) attempts a kick during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams defensive end Aaron Donald (99) rushes during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Dallas Cowboys quarterback Dak Prescott (4) throws a pass during an NFL divisional football playoff game against the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Dallas Cowboys quarterback Dak Prescott (4) leads a huddle during an NFL divisional football playoff game against the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams defensive end Aaron Donald (99) and nose tackle Ndamukong Suh (93) celebrate during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams running back Todd Gurley (30) runs the ball during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams running back Todd Gurley (30) runs the ball during an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Los Angeles Rams running back C.J. Anderson (35) celebrates after a touchdown during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams quarterback Jared Goff (16), wide receiver Josh Reynolds (83), running back C.J. Anderson (35), and wide receiver Robert Woods (17) celebrate a touchdown during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

American rapper Post Malone on the sidelines during an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams running back C.J. Anderson (35) runs the ball during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams running back Todd Gurley (30) runs the ball into the end zone for a touchdown during an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams quarterback Jared Goff (16) celebrates during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams quarterback Jared Goff (16) celebrates with offensive guard Austin Blythe (66) during an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Los Angeles Rams running back John Kelly (42) celebrates with teammates during an NFL divisional football playoff game against the Dallas Cowboys Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Dallas Cowboys quarterback Dak Prescott (4) takes the snap during an NFL divisional football playoff game against the Los Angeles Rams Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Dallas Cowboys running back Ezekiel Elliott (21) runs the ball as Los Angeles Rams cornerback Aqib Talib (21) attempts to tackle during an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Dallas Cowboys running back Ezekiel Elliott (21) runs the ball as Los Angeles Rams cornerback Aqib Talib (21) tackles during an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

American-Moroccan rapper French Montana performs during halftime of an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

American-Moroccan rapper French Montana performs during halftime of an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Los Angeles Rams running back Todd Gurley (30) scores a touchdown during an NFL football game against the Dallas Cowboys, Saturday, Jan. 12, 2019 in Los Angeles.

Los Angeles Rams nose tackle Ndamukong Suh (93) celebrates a sack with outside linebacker Samson Ebukam (50) during an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Dallas Cowboys running back Ezekiel Elliott (21) is tackled during an NFL divisional football playoff game against the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Dallas Cowboys wide receiver Michael Gallup (13) falls into the end zone as Los Angeles Rams free safety Lamarcus Joyner (20) tackles during an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Dallas Cowboys wide receiver Michael Gallup (13) reacts after a catch during an NFL divisional football playoff game against the Los Angeles Rams Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Lakers center JaVale McGee on the sidelines during an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Cleveland Cavaliers J.R. Smith on the sidelines during an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Lakers point guard Lonzo Ball on the sidelines during an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

An official reviews a play on the field with a Microsoft Surface during an NFL divisional football playoff game between the Dallas Cowboys and the Los Angeles Rams, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Los Angeles Rams head coach Sean McVay talks to an official during an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Los Angeles Rams defensive end Aaron Donald (99) rushes during an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams wide receiver Robert Woods (17) during an NFL football game against the XXXX, Saturday, Jan. 12, 2019 in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams running back C.J. Anderson and Sean McVay during an NFL football game against the XXXX, Saturday, Jan. 12, 2019 in Los Angeles. (Ric Tapia/NFL)

Dallas Cowboys wide receiver Tavon Austin (10) and Los Angeles Rams head coach Sean McVay meet following an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ben Liebenberg/NFL)

Dallas Cowboys quarterback Dak Prescott (4) meets with Los Angeles Rams quarterback Jared Goff (16) following an NFL divisional football playoff game, Saturday, Jan. 12, 2019, in Los Angeles. (Ryan Kang/NFL)

Los Angeles Rams quarterback Jared Goff (16) and defensive end Aaron Donald (99) meet following an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams defensive end Aaron Donald (99) and his children following an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)

Los Angeles Rams quarterback Jared Goff (16) walks off of the field following an NFL divisional football playoff game against the Dallas Cowboys, Saturday, Jan. 12, 2019, in Los Angeles. (Ric Tapia/NFL)