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One of the great carnivals of world racing kicks off this Saturday with one of the purists' highlights of the Melbourne spring, Caulfield Guineas day.

The cream of Australia's three-year-old milers led by boom colt Autumn Boy will battle it out in the main event while the middle-distance weight-for-agers have their final Cox Plate tune-up in the Might And Power and the handicap milers duke it out in the Toorak Handicap.

Meanwhile there's big bucks on offer at Rosehill, where the card is headed by the $2 million Hill Stakes, the $1.5 million Alan Brown Stakes, the $500,000 Tapp-Craig and the $500,000 Gloaming Stakes.

In SA the Murray Bridge Gold Cup gets a standalone Saturday spot, while it's Queensland Cup day at Eagle Farm and opening day at Ascot.

Our form coverage kicks off on Friday with a full form guide for Cranbourne (and Launceston in the Tassie edition), plus fields, colours and tips for the other Friday TAB meetings.

The metro racing this Saturday is at Caulfield in Melbourne, Rosehill in Sydney, Murray Bridge in SA, Eagle Farm in Brisbane and Ascot in Perth.

Winning Post carries full-colour liftout guides for all those meetings plus Hamilton (Vic/SA edition), Kembla Grange (NSW edition) and Gold Coast (Qld edition), as well as fields, tips, ratings and/or colours for other TAB Saturday cards.

On Sunday we've got liftout formguides for three more TAB meetings inlcuding Seymour and Coonamble cup days as well as fields, ratings, tips and colours for a stack more Sunday and Monday programs.

Don't forget Winning Post now carries trackwork reports for all four Melbourne training tracks, all three in Sydney, Morphettville in Adelaide and a general Brisbane report.