AC

Thursday will be one of the longest days of Devon Still's life. There's a high likelihood he may shed a few tears. But early in the morning, before driving his 4-year-old daughter, Leah, to the Children's Hospital of Philadelphia, he couldn't let her see how scared or nervous he really was. He needed to be strong so that she could be strong. In a video Still posted to his Instagram account Thursday morning, the Cincinnati Bengals defensive tackle gives a pre-surgery pep talk to Leah from inside the car. As he sits in the front seat with the camera pointed toward him and the smiling little girl in the back seat known by friends and family as the "selfie queen," Still has one question. "I'm going to ask you again," Still asks Leah. "Are you ready for today? I'm ready for today." As she continues to smile from the back seat, Leah slowly nods. "You ready to get this cancer up out you?" Still asks. She smiles and nods once more. "Let's do it. Fist bump." They both...