Ethan Whidden, age 8, is this week's i9 Sports flag football player of the week. Ethan, who attends Nativity Catholic School in Brandon, has participated in the flag football league for two full seasons. He admits he enjoys playing football with his friends every Saturday. I asked Ethan what he likes most about playing, and he said, "I enjoy playing on offense, especially wide receiver because I like to catch the ball." As I was speaking to him, his coach stopped by to congratulate him on his great play. "I like my coach because he lets us all play different positions. He also runs a lot of …