St. Louis Cardinals catcher Yadier Molina (knee) will begin his minor league rehab assignment with Triple-A Memphis on Thursday. He will bat third and serve as the designated hitter. Molina is expected to play for Memphis on Thursday and Friday (likely as the catcher), and then he could return from the injured list to rejoin the Cardinals next Tuesday. The 40-year-old hasn't played since June 15 in what is expected to be his final big-league season in a storied career. Molina is just a shell of...