Southampton affirmed themselves as a genuine top-class side on the eighth weekend of the 2014/15 Barclays Premier League season.
Ronald Koeman's Saints produced their biggest ever win in England's top flight by hammering Sunderland 8-0 at St Mary's Stadium to remain third on the table with their fifth victory of the campaign.
November's Premier League Player of the Month, Graziano Pelle, continued his brilliant start to life on the south coast by scoring a double to take his season tally to six while fellow summer signing Dusan Tadic provided four assist and was also on the scoresheet.
Jack Cork contributed with a goal, which was his second of the league season, while Victor Wanyama notched again and Sadio Mane opened his account following his move from Red Bull Salzburg in September.
Santiago Vergini and Liam Bridcutt had own goals against their names as the 17th-placed Black Cats sunk to an enormous low.
The Argentine striker netted in the 13th, 20th, 68th and 75th minutes - two of which were penalties - to take his tally to 61 in the league which overtakes Carlos Tevez's previous record of 58.
Aguero also had a penalty saved by Spurs keeper Hugo Lloris while City's Joe Hart denied Roberto Soldado from the spot just after the hour-mark, prior to Federico Fazio's sending off for bringing down the dangerous Aguero.
In other Premier League fixtures on Saturday, Arsenal required an injury-time equaliser from Danny Welbeck to force a 2-2 draw with Hull City at the Emirates Stadium after Alexis Sanchez opened the scoring prior to Mo Diame and Abel Hernandez putting the Tigers ahead.
Summer signings Diafra Sakho and Enner Valencia scored as West Ham United beat Burnley 3-1 at Turf Moor to move up to fourth, Everton cruised past Aston Villa 3-0 at Goodison Park as Newcastle United secured their first win of the season with a 1-0 result over Leicester City courtesy of Gabriel Obertan's 71st-minute effort.
2014/15 Barclays Premier League season scores
Southampton: 8 (Santiago Vergini (og) 12', Graziano Pelleo 18'/69', Jack Cork 37', Liam Bridcutt (og) 63', Dusan Tadic 78', Victor Wanyama 79', Sadio Mane 86') Sunderland: 0 St Mary's Stadium, Southampton - 29,615
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