August 15, 2025 10:51 AM EST

Pittsburgh Pirates vs Chicago Cubs 8/15/2025

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The Chicago Cubs are 34-20 at home this season and are heavy favorites to beat the Pittsburgh Pirates who are 16-39 on the road this season. The Cubs have a better than 60% chance of winning based on 10,000 game simulations generated one play at a time by the AccuScore Simulation Supercomputer. Cubs starter Colin Rea is forecasted to have a better game than Pirates starter Braxton Ashcraft. Colin Rea has a 63% chance of having a Quality Start (QS) while Braxton Ashcraft has a 32% chance of a QS. If Colin Rea has a quality start the Cubs has a 85% chance of winning. His simulated strikeout to walk ratio is 4.3 and he has a 39% chance of having a 5 to 1 K/BB ratio. When he has a 5/1 ratio the Cubs win 73%. In Braxton Ashcraft quality starts the Pirates win 54%. He has a 13% chance of having a 5 to 1 K/BB ratio and if he does his team wins 54% of simulations. In simulations we tracked the batter for each team that was most productive based his average hits, walks and RBI per simulation. The most productive batter for the Chicago Cubs is Kyle Tucker who averaged 2.52 hits+walks+RBI. He has a 44% chance of having a big game with 3+ Hits, Walks, RBI and if he has a big game the Cubs have a 81% chance of winning. The most productive batter for the Pittsburgh Pirates is Nick Gonzales who averaged 1.72 hits+walks+RBI. He has a 24% chance of having a big game with 3+ Hits, Walks, RBI and if he has a big game the Pirates have a 42% chance of winning.

CURRENT SEASON: We advise relying on these trends after the first 6 to 8 weeks of the season. UNITS EDGE FAVORS: Chicago Cubs

Pittsburgh PiratesRECORDChicago CubsRECORDUNITS EDGE
Record on the Road16-39, 29% -1484Record at Home34-20, 63% 3Chicago Cubs
VS Chicago Cubs2-5, 29% -260VS Pittsburgh Pirates5-2, 71% 141Chicago Cubs
vs Team .500 or Better23-42, 35% -1202vs Team .500 or Better31-29, 52% -216Chicago Cubs
Record As Road Underdog14-31, 31% -832Record As Home Favorite30-15, 67% 124Chicago Cubs
When Braxton Ashcraft Starts1-0, 100% 162When Colin Rea Starts12-6, 67% 446Chicago Cubs

PAST 30 DAYS: We advise incorporating these trends along with the current Season after the first 6 to 8 weeks. UNITS EDGE FAVORS: Pittsburgh Pirates

Pittsburgh PiratesRECORDChicago CubsRECORDUNITS EDGE
Record on the Road3-2, 60% 225Record at Home4-4, 50% -159Pittsburgh Pirates
VS Chicago Cubs0-0 No GamesVS Pittsburgh Pirates0-0 No GamesN/A
vs Team .500 or Better0-5, 0% -500vs Team .500 or Better7-7, 50% -248Chicago Cubs
Record As Road Underdog3-0, 100% 425Record As Home Favorite4-3, 57% -59Pittsburgh Pirates
When Braxton Ashcraft Starts0-0 No GamesWhen Colin Rea Starts1-2, 33% -130Pittsburgh Pirates

OVER-UNDER TRENDS

Pittsburgh PiratesRECORDChicago CubsRECORDO-U EDGE
OVER-UNDER ON ROAD20-33, 38% OverOVER-UNDER AT HOME25-27, 48% OverUNDER
ROAD OVER-UNDER PAST 30 DAYS3-2, 60% OverROAD OVER-UNDER PAST 30 DAYS2-5, 29% OverUNDER
ROAD OVER-UNDER LAST SEASON38-43, 47% OverROAD OVER-UNDER LAST SEASON33-47, 41% OverUNDER
OVER-UNDER IN Braxton Ashcraft STARTS1-0, 100% OverOVER-UNDER IN Colin Rea STARTS10-7, 59% OverN/A

ACCUSCORE ADVISOR: AccuScore simulates every game thousands of times one play at a time. We are the industry standard in sports forecasting and the only company to be paid for sports picks and predictions by the biggest sports companies in the world. Our newest product, the AccuScore Advisor, provides Side Value, Money Line and Over-Under picks for every MLB game and rates them as One, Two, Three or Four Star picks. Three and Four Star picks have delivered over +10,000 units of profit the past 2 seasons. Visit AccuScore.com to find out what AccuScore\'s Advisor recommends for this game. The following trends are AccuScore\'s RIGHT-WRONG records and units (+/-) when making picks involving these teams.

SIDE VALUE (Current Season) - Pittsburgh Pirates Road Games: 32-23, 58% +866 Chicago Cubs Home Games: 29-25, 54% -758 SIDE VALUE (PAST 30 DAYS) - Pittsburgh Pirates Road Games: 1-4, 20% -112 Chicago Cubs Home Games: 3-5, 38% -299

MONEY LINE (Current Season) - Pittsburgh Pirates Road Games: 35-20, 64% +221 Chicago Cubs Home Games: 35-19, 65% +122 MONEY LINE (PAST 30 DAYS) - Pittsburgh Pirates Road Games: 0-5, 0% -500 Chicago Cubs Home Games: 4-4, 50% -159

OVER-UNDER RECORD (Current Season) - Pittsburgh Pirates Road Games: 24-22, 52% -20 Chicago Cubs Home Games: 17-30, 36% -1600 OVER-UNDER RECORD (PAST 30 DAYS) - Pittsburgh Pirates Road Games: 1-3, 25% -230 Chicago Cubs Home Games: 2-5, 29% -350

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