Charlie Nicholas believes Roberto Martinezs need for victory in the FA Cup semi-final is greater than Louis van Gaals - but fears for both managers futures. The Everton boss is under increasing pressure after seeing his side thumped 4-0 by local rivals Liverpool, a result which leaves them without a win in seven Premier League games and on course for a second successive bottom-half finish.If he loses this semi-final, then the calls for him to go are only going to get louder, Nicholas told Sky Sports. Charlies Sky Bet tips Find out what Charlie is predicting for Everton v Man Utd here. Roberto Martinez saw his Everton side lose 4-0 to rivals Liverpool on Wednesday Martinez is a very good coach but hes not admitted that this team is underachieving and it pains me to say it I think the owners will be actively seeking change.The Goodison Park faithful were looking forward to a summer of investment following Farhad Moshiris 49.9 per cent purchase of the clubs shares, but Nicholas feels that is unlikely with Martinez at the helm. Everton fans have protested against their manager after a disappointing season He added: I think that the concern will be why should they invest money in the club when the manager isnt getting the best out of his current squad?Bill Kenwright has done a fantastic job as chairman and would love to keep Martinez, but the investors will be asking whether theyll be giving their money to the right man to spend. Theyve already got a strong squad and its not working. Everton manager Roberto Martinez refused to talk about his future at the club Meanwhile, the Soccer Saturday pundit believes Van Gaals future will be decided by his ability to get United into the top four rather than winning the FA Cup.With just four league games to go, United are two points behind fourth-placed Manchester City and hold a vastly inferior goal difference. Louis van Gaals future could hinge on whether Man Utd clinch a top-four spot, thinks Charlie Nicholas Is the FA Cup enough? I would say no, said Nicholas. United have to be in the Champions League. Its not even about the prize money, its the prestige of being there. If I asked United fans if they want FA Cup or top four I think most would say top four. They want to be back in the Champions League. If David Moyes can get sacked after nine months for not managing it, then youve got to think they will be looking at Jose Mourinho or even the likes of Mauricio Pochettino, Slaven Bilic and Ronald Koeman. Louis van Gaal believes Manchester Uniteds latest win over Crystal Palace keeps them in with a chance of clinching a top four spot The timing of PSGs reported move for Mourinho is interesting because United cant afford to be seen to make an announcement as they need to put their focus into securing a top-four finish.Nicholas expects Van Gaal to prevail on Saturday, backing a 1-0 victory for United in his Sky Bet tips.He added: I think it will be tense and I think Everton will be too worried about making mistakes to play well.Ive done a heck of a lot of United games this season and, while Ive rarely been impressed by them, theyve built some momentum with three successive wins, which started by a good display against West Ham. Also See: Everton v Man Utd preview Progress since Moyes? Problems mount for Martinez Ramos considered Utd bid Air Jordan 1 For Sale .J. -- Pitcher Carl Pavano is retiring after 14 major league seasons. Wholesale Air Jordan 1 China . 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"It caught me pretty good, dazed me for that shift, but I didnt want to be off the ice for too long," he said after practice, his lip still bleeding a little despite the plastic stitches holding it together.CHARLOTTE, N.C. - NASCAR driver Brian Vickers has been medically cleared to return to racing in March, just three months after surgery to repair a hole in his heart.Vickers will miss only the first two races of the season before he returns to his Michael Waltrip Racing Toyota. NASCAR on Tuesday granted him a waiver to make him eligible for the Chase for the Sprint Cup championship should he qqualify.ddddddddddddTeam co-owner Michael Waltrip will drive the No. 55 for Vickers in the season-opening Daytona 500. A replacement driver for the March 1 race at Atlanta has not yet been named.Vickers had surgery in December as doctors corrected an artificial patch his body was rejecting. Vickers received the patch in a 2010 procedure that first fixed the hole in his heart. ' ' '