问为什么python解析表BeatifulSoup不像预期的那样在这个网站上工作？

EN

from urllib.request import urlopen as ureq
from bs4 import BeautifulSoup as bs
    
def connection(url):
    uclient = ureq(url)
    page_html = uclient.read()
    uclient.close()
    soup = bs(page_html, "html.parser")
    return(soup)


soup = connection('https://baseballsavant.mlb.com/team/146')
   
table = soup.findAll("div", {"class": "table-savant"})  #<--using method soup.find()
#table = soup.select("div.table-savant") #<-----------------using method soup.select()   

for n in range(len(table)):
    if (n==9): break 
    content = table[n]
    columns = content.find("thead").find_all("th")    
    column_names = [str(c.string).strip() for c in columns] 
    table_rows = soup.findAll("tbody")[n].find_all("tr")
    l = [] 
    for tr in table_rows:
        td = tr.find_all("td")
        row = [str(tr.text).strip() for tr in td]
        l.append(row)
    print(l) 

def connection(url):
    uclient = ureq(url)
    page_html = uclient.read()
    uclient.close()
    soup = bs(page_html, "html.parser")
    return(soup) 

soup = connection('https://baseballsavant.mlb.com/preview?game_pk=634607&game_date=2021-4-4')
   
table = soup.findAll("div", {"class": "table-savant"})  #<--using method soup.find()
print(table)

result: []

table = soup.select("div.table-savant") 
print(table)

result: []

table = soup.select('#preview > div:nth-of-type(1) > div:nth-of-type(2) > div:nth-of-type(3) > table:nth-of-type(1) > tbody:nth-of-type(2) > tr:nth-of-type(2) > td:nth-of-type(3)')
print(table)
    
result: []