San Francisco Giants (61-65, 31-32 on road) vs. San Diego Padres (70-56, 39-21 at home)
Date/Time: August 21, 2025 — 9:40 PM ET
Where: Petco Park, San Diego, California
TV: MLB Network, NBCS-BA, SDPA
Moneyline: Giants +134 / Padres -158
Run Line: Giants +1.5 (-160) / Padres −1.5 (+135)
Over/Under Total: 8.0 runs
The public is backing the Padres as home favorites, with 65% of early tickets on San Diego despite the premium price.
Game Overview
The San Francisco Giants look to build on their recent momentum after taking the series opener against the Padres, though they dropped Tuesday's contest 5-1. San Diego has been excellent at Petco Park this season (39-21) and has dominated the season series against the Giants, winning 8 of 11 meetings. The Padres have gone 6-4 in their last 10 games while outscoring opponents by 17 runs, whereas the Giants have struggled mightily, going just 2-8 with a -26 run differential over the same stretch.
Key Matchups & Analysis
- Pitcher Showdown: Landen Roupp vs. JP Sears
Roupp (7-6, 3.45 ERA) has been a bright spot for the Giants with solid control (100 Ks to 43 BBs) though his 1.45 WHIP indicates he's allowing too many baserunners. Sears (7-9, 4.95 ERA) has struggled with consistency but possesses quality strikeout stuff (97 Ks in 111 innings). The Giants are 7-6 when Roupp starts as an underdog this season. - Bullpen Battle
The Padres have a significant edge in the late innings with Robert Suarez (33 saves) anchoring one of baseball's most reliable bullpens. The Giants' relief corps was decimated after trading closer Camilo Doval to the Yankees, though Randy Rodriguez (1.66 ERA) has emerged as their most reliable option. - Jung Hoo Lee's Hot Streak
The Giants rookie outfielder enters tonight with an eight-game hitting streak and has hit safely in 15 of 16 August games. He's batting .344 this month and launched a leadoff homer in Tuesday's game. His matchup against the left-handed Sears could be advantageous. - Park Factors
Petco Park ranks as the third-most pitcher-friendly venue in MLB for runs scored (0.889 factor), but surprisingly allows home runs at an above-average rate (1.070). This creates an interesting dynamic where teams might score in bunches via the long ball rather than stringing hits together.