American baseballers will strut their stuff at Blacktown International Sports park tonight and tomorrow night.
Teams from San Diego and Fresno will play two NSW teams tonight from 7pm.
They will line up tomorrow night at the same time against clubs from Baulkham Hills and Ryde.
The Americans are in town for the World Boys Baseball Tournament, to be held on the Central Coast from August 9 to 13.
Teams from other countries include Mexico, South Korea and Japan.
The US players are staying in Sydney in the lead-up to the tournament and agreed to play the friendly matches at Blacktown.
Entry to the Blacktown matches is free.