Ronald Koeman during an Everton training session on August 23, 2017, in Split, Croatia. (Photo by Tony McArdle/Everton FC via Getty Images) Under Farhad Moshiri, Everton has frequently swung between two extreme strategies. This trend started early in his tenure when he decided to fire Roberto Martinez after a lackluster third season. Martinez’s sacking indicated the beginning of a more ruthless approach for the club. This perception was reinforced with the hiring of Ronald Koeman. While Martinez’s warm words and emotional platitudes gave Evertonians a fuzzy feeling…