Paul Pierce says he was impressed with the Celtics win over the Sixers, but it’s Philly the Celtics haven’t lost a playoff series to them since 1982:“Like, seriously we haven’t lost to them. The last time they beat us in the playoffs was 82. Like, a lot of people who are watching this show wasn’t even born. I was five years old. When I saw Sixers vs Celtics, I was like, I usually go to the Celtics first round I don’t even want to waste that trip. I really didn’t want to waste that trip because I