Liverpool manager Andoni Iraola now knows one player he simply can't rely on following the win over Brentford.

Although the Reds secured all three points against the Bees, that still doesn't mean they are back on track, with Brentford having ten men for the whole second half.

Liverpool were 1-0 down at the break, and the red card undoubtedly changed the trajectory of the game.

The Reds did well to get back into it and create plenty of chances in the second half, but it still could have been a lot more comfortable.

The game against Brentford isn't a true reflection of where Liverpool are currently, as there's every chance they could have still lost had the Bees not had a man sent off.

Iraola will be pleased with how his attack looked a lot more functional, but there will still be concerns throughout the side.

One player Iraola knows he simply cannot rely on is right-back Jeremie Frimpong.

Speaking after the game, Iraola confirmed that Liverpool could be without Frimpong for some time, which is a huge concern when looking at his injury history.

If Frimpong were picking up impact injuries, there would be less concern, but he's already missed a huge number of games for Liverpool due to muscle problems.

Frimpong is regularly picking up hamstring injuries, and he was substituted after just six minutes against Brentford.

Iraola brought him on at half-time in order to go a little more attacking following Brentford's red card, but just minutes later he was forced into making another change.

Even when Frimpong is fit, he has struggled to make an impact during his time at Liverpool in terms of his performance levels.

Thankfully, Liverpool brought in Ronald Araujo during the summer transfer window, but Frimpong is now a player Iraola knows he simply can't rely on.

Liverpool might be forced to cash in

It wouldn't be a surprise if Liverpool were considering cashing in on Frimpong in the near future.

As mentioned, Liverpool simply can't rely on the Dutch international from a fitness perspective, while he's also flattered to deceive when it comes to performance levels.

Araujo is likely to be the starting right-back for Liverpool going forward, while they also have Conor Bradley coming back from injury later in the season.

When Bradley returns, it wouldn't be a surprise if Frimpong was demoted to third choice at right-back, which could mean they look to cash in on him.

The 25-year-old struggles defensively and isn't offering enough going forward, and Iraola simply can't rely on him to remain fit.

If Frimpong was producing strong performance levels when available, they might stick with him, but there's little reason for them to show faith in him now.