(AGI) Singapore, Sept 20 - Marina Bay is the circuit with the23 turn layout, but that was not enough for Mercedes' rivals toget hold of the pole position. Although the gap with Red Bulland Ferrari dropped by a few tenths of a second, the mainstruggle was once again between the two Mercedes drivers. LewisHamilton secured the pole in the end, beating teammate NicoRosberg by 7/1000 seconds. That's the seventh time this yearthat the two Mercedes will be first and second on the startinggrid. Lewis Hamilton will surely be putting Rosberg, thechampionship leader, under pressure. . .