“Pedro and [Mykhailo] Mudryk are both not available,” he said.
“Pedro - I think - not for many games, and for Mudryk, something more."
However, it would appear that decision to see a specialist has paid off as Porro took to social media on Friday to deliver an encouraging update regarding his rehabilitation.
Posting a video clip of him jumping onto a plyometric box from a seated position, early suggestions are the Spaniard’s hamstrings are fully healed.
Furthermore, the two-word message of “almost back” could mean he will be in contention for a place in the Spurs matchday squad against Coventry on Monday night.
The unusual timing also means Spurs supporters have to remain patient to discover if Dejan Kulusevski can feature too.
Kulusevski is closing in on a return to action after nearly a year-and-a-half out with a complicated kneecap injury.
The Swedish playmaker travelled with the rest of the Spurs squad to Old Trafford but was not included in the matchday squad.