With just about 10 minutes remaining on the clock and the scoreline locked at 1-1, Borussia Dortmund were seemingly headed towards a draw in their Champions League opener for the second year in a row.
The disappointment of losing yet another player to a potential injury was already lingering inside the Signal Iduna Park cauldron as Konstantinos Karetsas had gone off after just 26 minutes into the kick-off.
Chances were hard to come by, with Villarreal parking the bus in the BVB area to avoid another humiliation after last year's 4-0 shellacking at the same venue. But whatever did, couldn't find a way past their inspired goalkeeper Peter Gulacsi.
Just then, in a swift team move, everything changed. Joane Gadou nipped a potential Villarreal counter in the bud by squaring the ball out to Jobe Bellingham on the right, who laid it off for Silva with a clinical through ball. The forward raced on to it and took a touch before sending it across the face of the goal for Guirassy to tap it home.
Dortmund led once again, going up 2-1, before eventually prevailing 3-2. It marked the second time in four days that their forwards Guirassy and Silva had combined for a goal, having worked in tandem for BVB's second against Hoffenheim in the Bundesliga at the weekend too.
Individually too, both players are on a fine run of form this season: Silva has three goals and an assist from four appearances in all competitions, whereas Guirassy has five goal-contributions in four.
Head coach Niko Kovac even spoke of tweaking his system to employ two strikers upfront, but was cautious against making any hasty decision.
Guirassy, for all his experience and proven talent across multiple clubs, remains his first choice upfront, and the striker has consistently delivered too.
Silva has been an effective supersub, coming off the bench to make a difference, though questions remain if he can lead the side.
Last season, the Portuguese was found wanting whenever given the chance to start as the lone striker, which perhaps makes one thing clear - he's not a natural striker like Guirassy.
The 24-year-old was better off as the launchpad for Guirassy to thrive on; a cover to pull defenders towards himself and give the Guinean more space to work into.
But this season, he seems to have added goals to his game too, which can give the BVB new dimension in offense if Silva is able to turn this early-season form into a ruthless streak.
We may, at long last, have another formidable strike partnership at Dortmund, something that's been missing since the days of Marco Reus and Pierre-Emerick Aubameyang.
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