The incident appeared to begin in the 62nd minute when Lallana and 19-year-old George Marsh slammed into one another.
The England global has endured a tough season with injuries getting the better of him.
Long term though it's likely to hamper his return to the first team with the midfield and attack of the Reds not exactly the problem when it comes to any of their poor performances.
US Revives Idea Of Limited Nuclear War That Doesn't Destroy The Planet
This is why we must modernize all three legs of our nuclear triad as well as our stockpile of nuclear warheads. The U.S. says it needs smaller nuclear weapons as a deterrence against other so-called "Great Powers".
Gallacher is now hoping to establish himself as Liverpool's third choice left-back, behind Alberto Moreno and Andrew Robertson.
He was played out of his usual position and while coach Neil Critchley was not exactly glowing about his performance, he insisted he has full faith the young Scot will kick on. "He was actually coming off".
The spark came as Marsh went into Lallana's back when challenging for a high ball.
Ryan is a writer for SPORTbible. He obviously hates YOUR football team and has no interest in synchronised swimming.