By all means, men's tennis has a new Big Four: Djokovic, Alcaraz, Sinner, Medvedev
Semis of big events in the last 8 months:
Wimbledon - 4 (ND, CA, JS, DM)
US Open - 3 (ND, CA, DM)
ATP Finals - 4 (ND, CA, JS, DM)
Australian Open - 3 (ND, JS, DM)
Indian Wells - 3 (CA, JS, DM)