Well he isnt is he? He fixates on players and refuses to try something different when they underperform consistently. Alcaraz, Howard, Kone.
As the saying goes.. "Insanity: doing the same thing over and over again and expecting different results."
But Kone has been an effective sub at times this season, just wasn't this time. Deulofeu looked both tired and emotional, as you know am a big fan of his but think it was right to take him off as doubt he had been expected to play for 90 mins vs Swansea.
Would Lennon have been a better sub, perhaps as a straight replacement for Deulofeu but Rom was also having an poor game - was offside a lot, rarely getting the better of the CBs and looked generally tired. Think Martinez hoped that by having another striker on it would both give Rom more room to move and someone else to make the runs into the box with Ross being replacement supplier as they were having difficulty with him. However his nosebleed took him off the pitch at an important time.