The Nets have signed their 2021 second round pick Marcus Zegarowski, the team announced Sunday evening. Zegarowski, who is likely entering training camp with an Exhibit-10 deal, apparently rounds out the 20-man camp roster in Brooklyn. Zegarowski played in only eight games with the Nets G League affiliate, the Long Island Nets last season. He posted averages of 10.1 points, 2.8 rebounds, and 2.5 assists in 27.0 minutes per game. He was limited to eight games after suffering plantar fasciitis in his right foot. Brooklyn drafted the Creighton shooting guard with the 49th pick in the 2021 NBA Draft. Not…