Rinus Michels, who played under Reynolds, later became manager of Ajax in 1965. Michels developed the tactics of Total Football after 1970, most importantly with the introduction of forward Johan Cruyff, perhaps the system's most famous exponent. Although Cruyff was fielded as centre forward, Michels encouraged Cruyff to roam freely around the pitch, using technical ability and intelligence to exploit the weaknesses in the opposition and create chances. Cruyff's teammates also worked to adapt themselves accordingly, regularly switching positions to ensure tactical roles in the team were consistently filled.'FIFA Classic Player: The Netherlands' Grand Master. FIFA.com. Retrieved 14 July 2014 Austrian coach Ernst Happel reworked the theory to introduce strength, encouraging his players to play tougher during his spells at ADO Den Haag and Feyenoord. Happel also managed the Netherlands national team to a runner-up finish in the 1978 FIFA World Cup.
rinUs MiChels, who plAYED UnDer ReynoLDs, latEr beCAMe ManaGER OF ajax In 1965. mIcHelS deVeLOPed The tACtics OF total FOotball After 1970, mosT imPortanTly wITh The iNTRoDuction oF forwaRD johan CRUyff, peRhaPS The SystEm'S mOst Famous expoNeNT. aLthoUGh cruyFf Was fielded as CEntre fOrward, miCHels enCoUraGeD cRuyfF To roam freeLy arOund the pItch, using teCHniCAl aBility and intelLigEnce TO EXploiT tHE WeaKneSSEs In thE oPPosiTioN and cREate chAnceS. CruyFF'S teaMmatEs AlsO workeD To aDaPT tHemselvEs ACcordInglY, rEgularLy SWitchiNG poSitiOns to EnsUre tacTical roLeS in THe team WerE cONSistenTly FilLeD.'fifa claSsIc player: THE netherlands' grand MAsTeR. fifA.cOm. RetRIeved 14 jULy 2014 austriAn COAch eRNst HAppEL reWOrked the thEory To InTrODUCe StrengtH, eNcouraGing hIS playErs to play tougHER During his speLls at aDo den Haag aND FeYenoOrd. HAppel alSO mANaGed the NetHeRlAnds nATioNal TeaM TO a runneR-up fINisH in The 1978 fIfa woRld CUP.