San Diego Padres vs Chicago Cubs Preview
Today's Starting Matchup
Today's starting pitching matchup features San Diego Padres's JP Sears (1-0, 3.18 ERA) against Chicago Cubs's Matthew Boyd (2-1, 5.02 ERA).
San Diego Padres's JP Sears posts an solid 3.18 ERA this season, while Matthew Boyd has been shaky at 5.02. There is a clear gap in starting pitching quality.
Advanced metrics: JP Sears — FIP 4.69, K% 20.0%, 5.7 IP / Matthew Boyd — FIP 2.61, K% 28.9%, 28.7 IP
Team Season Comparison
2026 season record: San Diego Padres 43-40 (.518), Chicago Cubs 47-38 (.553).
Recent form: San Diego Padres on a 3-game losing streak, Chicago Cubs on a 3-game win streak.
Based on starting pitching, San Diego Padres holds the edge.
Bullpen Analysis
San Diego Padres bullpen: 13 relievers on the active roster. Key arms: Adrian Morejon (Setup) 3.32 ERA, 51K in 43.1IP, Bradgley Rodriguez 2.06 ERA, 34K in 35.0IP, Griffin Canning 7.09 ERA, 46K in 47.0IP.
Chicago Cubs bullpen: 13 relievers on the active roster. Key arms: Bryse Wilson 0.00 ERA, 4K in 6.1IP, Caleb Thielbar (Setup) 4.24 ERA, 29K in 23.1IP, Colin Rea 4.80 ERA, 63K in 84.1IP.
Win Probability
Projected win probability: San Diego Padres 56% vs Chicago Cubs 44%
Factors: San Diego Padres's starter owns the lower ERA, Chicago Cubs's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: JP Sears averages 5.7 IP per start vs. Matthew Boyd at 4.8 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.