base_url = 'https://www.baseball-reference.com' # base url for concatenation
data = requests.get("https://www.baseball-reference.com/teams/BAL/2014-schedule-scores.shtml")
soup = BeautifulSoup(data.content)
url = []
for link in soup.find_all('a'):
if not link.has_attr('href'):
continue
if link.get_text() != 'boxscore':
continue
url = base_url + link['href']
base_url = 'https://www.baseball-reference.com'