Zhang Weili has been booed in America before, so she knows how it feels. Maybe that’s why she’s got a decent amount of sympathy for her UFC 281 opponent and then-women’s strawweight champion Carla Esparza. Esparza had won the belt for the second time by defeating Rose Namajunas in a fight where barely anything happened. The bout had the lowest strikes landed in the history of UFC five round fights. With each round a coin-toss, Esparza walked away with a split decision win and the belt. It did not endear her to fans. When Esparza walked out at Madison Square…