Celtics trade Vincent Poirier to Thunder

The Oklahoma City Thunder has acquired center Vincent Poirier and cash considerations in a trade with the Boston Celtics. In return, the Celtics receive a protected 2021 second-round draft pick. Poirier (7-0, 235) appeared in 22 games during his rookie season with Boston, registering averages of 1.9 points and 2.0 rebounds in 5.9 minutes per …