Naim fifty powers Rangers to 157/8
Mahmudullah picked a wicket in his comeback match.
Chattogram Challengers have won the toss and put Rangpur Rangers to bat first in the day's first BBPl match in Mirpur.
Rangpur have started well despite losing Mohammad Shahzad's wicket earlu.
Naim Sheikh steadied their innings with a quickfire fifty.
Naim reached his fifty in 26 balls, even though he was losing partners at the other end.
The young left-hander was eventually out after scoring 74 from 54 balls.
Cameos from Mohammad Nabi (21) and Taskin Ahmed (11) help Rangpur reached 157/8 in the allotted 20 overs.
Meanwhile, Mahmudullah got a wicket in his comeback match. He scalped Jahurul Islam for six.