The Dragons kicked off their Knock-On Effect NSW Cup season with a 14-10 win over the Bulldogs at Belmore on Saturday.
Reed exited due to an injury, bringing Joseph O'Neill into the game.
Tyrell Sloan converted the try, putting the Dragons ahead 6-0.
Jacob Webster left for a HIA just 15 minutes in, allowing Ryan Hutchinson to take the field as Willie Talau utilized his bench.
An impressive 40/20 from Alex Conti granted the Bulldogs a scoring opportunity, but the Dragons' defense held firm, forcing a turnover.
Canterbury responded just before halftime, with Jonathan Sua crossing over in the left corner after sustained pressure.
Sloan's chase-down effort early in the second half kept the Dragons in the lead.
A crucial try from Lyhkan King-Togia, setting up Nick Tsougranis, pushed the Dragons' advantage to 10-4 15 minutes into the half.