Australian golfer Jason Day faces another injury lay-off due to a thumb problem.

The 26-year old endured a six-week lay off ahead of last week's US Masters after suffering the same thumb injury during his victory at the Match Play Championship in February.

After this victory he withdraw from the WGC Cadillac Championship and the Arnold Palmer Invitational before his participation in the Masters.

Day won't be competing in this week's RBC Heritage event is South Carolina and has a cast on his left hand to help aid his injury.

Day's doctors took the precautionary measure to stop him from using his hand in day-to-day activities and re-aggravating the problem.

"I have decided to withdraw, which is a shame, but it is important I check the thumb with my doctor," Day told reporters.

"I think it's all good but after having to miss so long last time I didn't want to take any unnecessary risks.

"I am confident it won't be a long term issue."

The world number five has targeted May 8th for his comeback when The Players Championship begins at TPC Sawgrass in Ponte Vedra Beach, Florida.

Despite his injury, Day finished in tie of 20th at the Masters, ten shots behind the eventual winner Bubba Watson. But Day had previously enjoyed an impressive start to the season after winning the Match Play Championship he came second at the Farmers Insurance Open.

With injuries hampering Day's season so far, he will need to compete in plenty of events after his injury in order to participate in a minimum of 15 events this year to satisfy membership.

The world number five has competed in just four so far and it appears that Day won't be making his next appearance until early May.

Day is yet to win a major but has finished second in the US Open in 2011 and tied second at the US Masters in the same year before finishing tied second again at the US Open in 2013.

After turning professional in 2006 Day has five professional wins to his name and his highest world ranking is fourth in the world.

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