Travis Head: Yorkshire to be without Australia batsman for T20 Blast
Batsman Travis Head will no longer play for Yorkshire in the T20 Blast this summer, after being called up to play for Australia A in July and August.
The 23-year-old will play in four-day games against hosts South Africa, before captaining the side in a one-day series which also includes India A.
Yorkshire's campaign starts against Nottinghamshire Outlaws on 7 July.
A statement from the Vikings said they are "assessing their options" for an overseas replacement for Head.
Australia A squad for tour of South Africa (12 Jul-8 Aug): Ashton Agar, Cameron Bancroft*, Jason Behrendorff, Jackson Bird*, Scott Boland**, Alex Carey, Hilton Cartwright, Travis Head (capt, one-day), Sam Heazlett**, Daniel Hughes**, Usman Khawaja (capt, four-day)*, Glenn Maxwell (vice-capt, four-day)*, Kurtis Patterson*, Kane Richardson**, Chadd Sayers*, Marcus Stoinis**, Mitchell Swepson, Chris Tremain, Jack Wildermuth
*Four-day only/**One-day only