Gai Waterhoiuse may have found her next Fiorente following the purchase from the UK of classy young stayer Excess Knowledge.

Battle Of Marengo and Mars are among four Aidan O'Brien representatives remaining in Saturday evening's Juddmonte Grand Prix de Paris at Longchamp.

Invitations have been issued to 20 overseas horses in the hope of attracting them to the $3 million WS Cox Plate at Moonee Valley in October.

Australian punters can delight in an array of international features this weekend that could have a significant bearing on the Melbourne spring carnival.