After a lightning-fast round of London men’s shows, the fashion flock has descended on Pitti Uomo in Florence, Italy. This year’s calendar is a mixed bag and features a Gucci Garden party, an anniversary event for Brooks Brothers, and a highly anticipated joint show by Japanese designers Takahiro Miyashita and Undercover’s Jun Takahashi. Pitti is also where menswear editors, buyers, and designers tend to pull out all the stops; expect to see plenty of mixed plaids, statement blazers, “man…