Been playing the same on-going game since v4 (2002). I play out all of my games and don't think I have ever won more than 15 or so in a row until now. This team won the WS last season, with a 113 win season, and is almost unchanged from last years squad other than a new SP called up from AAA and a catcher (not a superstar but a good defensive guy with average bat) obtained in a trade.
Started season 5-2 and as the streak ends we are now 49-3. For those that claim the AI cheats here's a tidbit. The streak would have ended probably 20 games ago except we scored on a balk in the bottom of the ninth to force extra innings and of course went on to win. Many other close calls over the streak with late inning rallies.
As part of the streak we went undefeated in May, 29-0. We then promptly lost on June 1, 25-6 at San Diego
Screenshots are both from June 1, pregame and post. Be interesting to see if the law of averages comes back to bite me.