Raptors sign center Khem Birch

The Toronto Raptors have signed center Khem Birch. Birch, 6-foot-9, 230 pounds, averaged career highs of 5.3 points, 5.1 rebounds and 19.8 minutes in 48 games (five starts) with the Orlando Magic this season. He shot .450 (94-209) from the floor and scored in double figures five times, which included three double-doubles. A native of …