Celtics sign Daniel Theis

The Boston Celtics have signed rookie center Daniel Theis. Theis (6-9, 243 lbs) has played professionally in Germany since 2010-11, most recently with Brose Bamberg which he joined at the start of the 2014-15 season. The Saltzgitter, Germany native played in 74 games across the Basketball Bundesliga League (BBL), Euroleague and German Cup in 2016-17. He