Saul Niguez's nightmare loan spell at Chelsea took another turn for the worst after being subbed at half-time for the second time in as many league starts for the club.
The midfielder arrived in the summer from Atletico Madrid and an error strewn performance on his debut against Aston Villa in September led to him being replaced at the break.
In the following nine Premier League games he was only given two minutes in a victory at Newcastle United, before being handed another first-team opportunity at Watford.
With Jorginho not fit enough to start, the 27-year-old failed to make the most of his chance, with Watford enjoying more of the game at Vicarage Road, and Emmanuel Dennis having equalised following Mason Mount's opener.