Carlo proved instrumental in the club's success, forming a solid partnership in the centre of the defence with fellow Maltese International defender Luke Dimech.
For the 2008-09 season, first-team chances diminished in his second season, mainly down to the signing of Luke Dimech, Mifsud made 13 appearances during the season, but failed to find the net as Valletta missed out on the title to Hibernians.
Sammut went into the 2007–08 season hoping to help Marsaxlokk win more silverware, however following the previous seasons triumph, many of the clubs star players moved on to pastures new, the likes of Daniel Bogdanovic, Luke Dimech and Justin Haber to name a few.
When John Buttigieg took over the Maltese national team in 2009, there was apparently some sort of disagreement over Dimech's hairstyle, leading to Dimech being excluded from the squad.
Luke | Gospel of Luke | Luke the Evangelist | Luke Skywalker | Cool Hand Luke | Luke Perry | Luke Ravenstahl | Luke Bryan | Lucky Luke | St. Luke's-Roosevelt Hospital Center | Luke Goss | St. Luke's Hospital | Luke Kelly | Luke Wilson | Luke Kirby (actor) | Luke Kirby | Luke Jensen | Luke Brookshier | Guild of Saint Luke | St Luke's Hospital | St Luke's Church | Luke Tittensor | Luke Tarsitano | Luke Ricketson | Luke Johnson | Luke Halpin | Luke Fair | Luke Doucet | Luke Dimech | Luke Beckett |