Saliva in cricket especially bowlers uses to obtain more un-natural motives against the gentleman's game even if it is spin bowlers they use saliva as well the fast bowlers, lets take for all bowlers in common, spin bowlers use it alongwith mud or soil of the pitch to get more grip which is also " considered as ball tampering" so bowlers should not not use saliva if they allow they should allow " sand papers" also or beer bottle or soda bottle cork as said one of the crickets past.
