$12,511 on Arizona Diamondbacks - Chicago Cubs — MLB

Chicago Cubs tracked on tail.bet show a 57.1% win rate across fourteen settled bets, though the $336,108 wagered overall yielded a -$32,713 loss. The largest captured bet was a $31,098 Under 10 stake against Cincinnati that returned $49,756. Parlays dominated the bet mix at 79%, with Cubs selections appearing in five of nineteen recent positions. Despite the winning percentage, the negative ROI of -9.7% reflects the parlay-heavy construction of the dataset.