The Hornets striker came on to score his side's equaliser against Aitor Karanka's men.
The Hornets skipper has been brought as a substitute in each of his last three games after returning from injury but, yesterday against Middlesbrough, was Deeney's finest of the three apperances.
The 26-year-old came on and duly scored his side's equaliser against Aitor Karanka's men, as Watford ended up leaving the North-East with a point.
And many feel Deeney was a real game-changer - not least his manager.
"Troy is an important guy for us. He gives us so much in a physical game like this when there were so many challenges and tackles," boss Slavisa Jokanovic told BBC Sport.
"We have used him as a sub in the last three games and he will soon be starting."
The striker himself, meanwhile, tweeted:
Massive thank you to everybody that travelled to the game on reflection that was a decent point 5 points out of a tough week #timetokickon— Troy Deeney (@T_Deeney) October 25, 2014
Beyond manager and player, though, Watford fans were also extremely appreciative of Deeney's contribution. The draw keeps Jokanovic's side joint-top of the Championship and they are now unbeaten in eight.
All this with Deeney yet to hit full fitness. Assisting him, of course, are the likes of Matej Vydra, Odion Ighalo and more. Things are certainly looking bright for the Hornets and, make no mistake, this is a promotion push. Here are the best supporter reactions on Twitter!
well done boys hung in there when we where 2nd best. Good point. Deeney back to scoring. #watfordfc— Alan Silver (@alansilver99) October 25, 2014
Very happy with that point. Unbeaten in 8, Deeney & Andrews back & looking impressive. Joint top!! Delighted with all the above #Watfordfc— Ross Merson (@Merson91) October 25, 2014