South African top-order batting powerhouse Herschelle Gibbs has become the fifth overseas player to sign up for this year's Caribbean Premier league (CPL) set to begin in July. Gibbs joins Ricky Ponting and Adam Gilchrist from Australia, New Zealand's Ross Taylor and Pakistan Twenty20 International (T20I) captain Mohammad Hafeez as confirmed big-name signings for the inaugural franchise-based tournament to be played across six Caribbean countries. –Agencies