After facing flak from numerous cricketing personalities for his multiple-captain theory, Kolkata Knight Riders coach John Buchanan seems to have found one backer at least.Mumbai Indians fielding coach Jonty Rhodes has said that a fielding captain could work as a facilitator in Twenty20 cricket, relieving the team captain of some burden.Rhodes said he himself played a similar role for his team when Hansie Cronje was captain.Rhodes said the man in charge of the fielding would make sure fielders are in their positions quickly so the bowlers could get through their overs soon.