Former Boston Celtics Paul Pierce on the courtside hyping everyone on the Boston Celtics game against the Detroit Pistons (via @taylorcsnow/TW) -- ► SUBSCRIBE to NEVER MISS ClutchPoints' hottest new videos: http://bit.ly/ClutchVids 👈🏽🍿 ► FOLLOW us on IG: http://bit.ly/ClutchIG ► Follow games live on our app: http://bit.ly/ClutchApp