SATURDAY'S MARKET MOVES
Please refresh for updates, all times GMT - updates throughout the day between 0700 and 2300.
1930:
Arsenal are now 9/4 for the
Coral by a shot in Florida at halfway and the Irishman is a best price of 7/2 favourite with Stan James for the title.
Harrington followed up his opening 69 with a 65 to take command on eight under and he is as short as 5/2 at this stage with Ladbrokes.
Retief Goosen is among the group just behind Harrington and he can be backed at 6/1 with Ladbrokes and Totesport while second favourite is
Steve Stricker (5/1, Sky Bet and Blue Square), who is is two behind.
Jim Furyk is a 13/2 chance with Sky Bet and he is one off the pace -
Bubba Watson and
Carl Pettersson are also both seven under and 16/1 (Sky Bet) and 18/1 (Stan James) respectively.
Click here for Friday's market moves
Click here for Thursday's market moves