The Saddlers were beaten 3-1 at Banks's Stadium as the manager-less relegation-threatened Pirates ran out winners with Walsall entering yet another disappointing display allowing several sides to close the gap.
Keates, who went into the game calling upon his team to build upon last weekend's draw with Peterborough, admitted that his side lacked quality and have to find a level of consistency if they are to halt their slip towards the lower reaches of the league.