It wasn't Dart's only message to Skattebo. In his postgame interview, Dart said, “I was devastated. That’s my boy, so seeing him go down and obviously like reacting to what happened. … It’s the worst part of this game."

Fellow Giants rookie quarterback Jaxson Dart was clearly shaken up by Skattebo’s injury, but made sure to see his teammate off with the signature handshake the two share—it ends with a mutual headbutt. Cam Skattebo and Jaxson Dart still did their headbutt handshake as Skatt was getting carted off the field 💙 (via @giants) pic.twitter.com/twsxC2hJtr

The NFL announced Friday that New York Giants rookie running back Cam Skattebo and head coach Brian Daboll were fined for violating protocol while quarterback Jaxson Dart was being evaluated for a concussion during the team's Week 6 win over the Philadelphia Eagles.

Why were Cam Skattebo, Brian Daboll fined by NFL in New York Giants' concussion protocol case involving Jaxson Dart against the Philadelphia Eagles?