Chester boss Bobby Williamson has shuffled his squad following the reopening of the transfer window.
Welsh joins Chester on loan, while Westwood moves to Stevenage
City have signed former Liverpool trainee and ex-England Under-21 winger John Welsh, 23, on loan from Championship side Hull.
However, experienced defender Ashley Westwood, 31, has left the Deva Stadium to join Stevenage Borough.
The former Sheffield Wednesday and Northampton man recently had a loan spell at Port Vale.