Mitchell Marsh's availability for IPL side Delhi Capitals this season was on Monday rendered doubtful after he suffered a hip flexor injury, which has all but ruled him out of the upcoming ODI series in Pakistan. Marsh, who was bought for a whopping Rs 6.5 crore in the IPL auction, was to join Delhi Capitals on April 6 after the end of Pakistan white-ball series but his availability will now depend on the degree of his injury. Australia's ODI captain Aaron Finch said here on Monday that Marsh's scans have been sent for examination after he sustained the injury during a high-intensity fielding drill on Sunday.