Welcome to The Walk Off, the nightly MLB recap from Big League Stew. Here we'll look at the top performers of the night, show you a must-see highlight and rundown the scoreboard. First, we start with a game you need to know about. Everyone knew the Chicago Cubs were going to be good coming into the season, but they didn't know the Cubs might be historic. With the club's 6-4 win against the Philadelphia Phillies on Monday, the Cubs became the fastest team to 40 wins during the regular season since the 2001 Seattle Mariners. [ Join a Yahoo Daily Fantasy Baseball contest now ] Those Mariners, as you may remember, tied the major-league record, winning 116 regular season games. The Cubs now find themselves on a similar path. Picking up win No. 40 didn't come easy, though. Despite an exceptional start from Jon Lester, the Cubs managed to get into some trouble late in the contest. With the Cubs leading 6-0 after eight scoreless innings by Lester, manager Joe Maddon opted to turn things over to the bullpen. Lester had only thrown 95 pitches at the time, and possibly could have come out for the start of the frame. On top of that, he had only allowed four hits, had not walked a batter and...