Ace all-rounder Shakib Al Hasan has been named captain of the Bangladesh T20 team after retirement of Mashrafe Bin Mortaza from the format.Bangladesh Cricket Board (BCB) president Nazmul Hassan announced the decision after executive committee meeting at Mirpur Sher-e-Bangla National Stadium on Saturday.Now, three captains will lead Bangladesh in three formats of cricket as Mashrafe will continue his role as captain in ODIs while Mushfiqur Rahim leads the Tigers in Tests.