Khano Smith remains capable of resurrecting his MLS career by making a permanent switch to left-back, according to his former coach Paul Mariner.Smith carved out a name for himself as a marauding winger during his five seasons at New England Revolution, where Mariner, a former England striker, previously worked as an assistant coach.Since being released by Revolution more than a year ago, Smith has turned his attentions to earning his coaching badges while playing amateur football in Boston, Massachusetts, where he lives.However, Mariner, now Toronto FC's director of player development, is convinced Smith still has plenty to offer and has not ruled out the Canadian side taking a look at the Bermuda skipper during the coming season.“We're a bit jammed at the present moment, we had 33 players tested last year so the coach is a little bit wary of keep bringing people through the revolving door as it doesn't bode well for the dressing room,” said Mariner, whose side completed the signing of Bermuda winger Reggie Lambe on a four-year deal last month.“We're looking for stability but Khano's at the back of my mind and we text each constantly, so who knows.”Mariner, who starred for Ipswich Town and Arsenal during his glittering career, feels Smith could have achieved more in the MLS had he simplified his game and made the most of his natural gifts.“Stevie Nicol (the former Revolution coach) and I used to always try and tell Khano to use his natural abilities but I think he used to watch too much of Cristiano Ronaldo and players of that ilk,” he said.“We used to tell him to knock it past the guy, run past him, cross it in the box and then you've done your job. There's no need to try and look fantastic with tricks.“I think what's happened is that the penny has finally dropped now he's found himself playing in defence.”Smith successfully converted to centre half during Bermuda's World Cup qualifying campaign late last year, and Mariner believes his speed and aerial ability make his ideally suited to a more defensive role.“I know Khano did very, very well playing at the centre of defence and at left-back during Bermuda's qualifiers,” said Mariner, who is visiting the Island on vacation.“Khano's six foot four and there's no reason why he can't play left-back because there's nobody running by him, there's nobody beating him upstairs.“So it's just the positional stuff which you have to work on and if he has the mental capacity, which I'm sure he has, then there's no reason why he can't succeed in that position.”The most fruitful spell of Smith's career came during his first stint at the Revolution when he reached two successive MLS Cup finals, losing both to Houston Dynamo.Smith rejoined Revolution at the beginning of the 2010 season following a short-term spell at English League Two club Lincoln City where he failed to make an impact.Prior to that, he played for the New York Red Bulls but had his contract cancelled midway through the 2009 season after falling out of favour with then coach Juan Carlos Osario.He previously played for Dandy Town in Bermuda where he was spotted by Nicol and Mariner during Revolution's pre-season tour of the Island in 2005.