Jayson Tatum was once idolized by Paolo Ranchero, now they play against each other on one of the biggest stages.

Star Boston Celtics forward Jayson Tatum has developed a killer instinct on the court, and his teammates know it as much as the fans and the media does. When the St. Louis native joined the NBA in 2017, he was known as a dangerous but nice player. He has grown stronger and more competitive in the ensuing years, and meaner more recently as well.

The Boston Celtics are revving up for what seems likely to be a more challenging second round playoff matchup than their five-game first round series victory ag