from urllib.request import urlopen
from lxml.html import fromstring


url = "https://www.lineups.com/nba/lineups"

content = str(urlopen(url).read())
comment = content.replace("-->","").replace("<!--","")
tree = fromstring(comment)


for nba, bball_row in enumerate(tree.xpath('//tr[contains(@class,"t-content")]')):
    names = bball_row.xpath('.//span[@_ngcontent-c5="long-player-name"]/text()')[0]
    print(names)