Huddersfield need a win to move out of the bottom three, while Coventry started as one of a host of clubs in mid-table with aspirations of a late run into the top six.
Neither goalkeeper seriously tested thus far at the CBS Arena.
Boro's Marcus Forss has had an effort saved by Watford goalkeeper Daniel Bachmann and shot just wide with the rebound.
The home side certainly starting well and responding well to that defeat by Sunderland last weekend.
A fast start at Swindon with four goals in the first 13 minutes at the County Ground.