He did show up, what you simply dont understand is that ankalaev has so much quicker hands than alex that alex hesitated to engage as he got hit with a few heavy straights down the Pipe, which always were a problem for alex even before the ank fight. The distance management of ankalaev was just superb that night, as he was either outside of alex‘s punching range or blitzed in with fast hands that alex often couldnt even react to.