With 549 minutes and one goal for Chelsea in the Premier League in 2015/16, then only another 75 league minutes for the Blues and 15 minutes on loan at Watford last season, fair to say his career wasn't on an upward curve. But if they are available, the price isn't £20million, the wages are not the same, and the commission of the agents is huge. It's very hard - the prices are insane.
"I am not happy [with transfer dealings] but for me it is a challenge", he told Sky Sports.
So far, winger Jacob Murphy is the club's most expensive signing, at a reported 12 million pounds.
Benitez, however, admits it would be "very difficult" for him to walk away from the job - and he reiterated his commitment to the promoted club.More news: Canadian pastor freed by North Korea healthy, 'not in critical condition': family
The 27-year-old has been at St James' Park since a controversial switch from Sunderland in 2014 and stayed with their club following their relegation to the Championship in 2015-16.
"I was talking with Arsene yesterday because we had the manager's meeting and I said "Listen, we have to talk" he said 'Listen, you have some money?' I like the player but it's too soon to talk about that".
"I'm working very hard with the people in the club to try to improve what we have at the moment".
"I am not happy but at the same time for me it's a challenge".More news: Swanky San Francisco Street Sells for $90K, Spurring Suit
Asked about walking away, Benitez added: "No, I chose to stay".
However, the former Liverpool, Chelsea and Real Madrid manager insisted Newcastle, who begin the Premier League campaign against Tottenham Hotspur on Sunday (13 August), have not strengthened enough. I knew there would be a lot of competition, I just need to do my best.
"I am trying to do my best right now".More news: Google Pixel And Pixel XL Get Huge Discounts In The US