San Francisco Giants vs Washington Nationals Prediction, 4/18/2026 MLB Picks, Best Bets & Odds

Game: San Francisco Giants vs Washington Nationals

Date: Saturday, April 18, 2026

Location: Nationals Park in Washington, D.C.

TV: Nationals.TV

Odds/Point Spread: San Francisco (+110) Washington (-130)

The Washington Nationals (9-10) will try to beat the San Francisco Giants (7-12) at Nationals Park on Saturday. The moneyline on this game has San Francisco at +110 while Washington is at -130. The total comes in at 8. The pitchers expected to start will be Adrian Houser and Cade Cavalli.

San Francisco has a slugging % of .347 and have been called out on strikes 143 times, while drawing a walk on 38 occasions. They have accrued 55 runs batted in in addition to 151 hits on the season, and their average at the plate comes in at .240. The Giants have accrued 32 two-baggers as a squad and have smacked 9 baseballs out of the park. They have a total of 58 runs and have an on-base percentage of .286. As a team, the San Francisco Giants are notching 3.1 runs per game, which puts them at 30th in baseball.

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They have accrued a K/BB ratio of 2.27 and their pitching staff holds a collective WHIP of 1.35. Giants pitchers have allowed 20 home runs and 82 total runs (15th in baseball). San Francisco has surrendered 149 base hits (8.1 per 9 innings) and 77 earned runs. The Giants are sitting with a team ERA of 4.17 this season (19th in the league), and the staff has struck out 170 hitters. They have walked 75 opposing players and their FIP is 4.11 as a team on the year.

The Giants have dispatched 64 relief pitchers to the mound so far this year. The bullpen pitchers have inherited 32 base runners so far this year and 31.3% of those players crossing home plate. The relief pitchers have recorded 8 holds this year (26th in the league). Giants bullpen pitchers have come into the game with runners on base 19 times as well as having 4 appearances in high leverage situations. They have compiled 3 saves on the campaign and have missed out on 2 of their 5 chances to get a save. The Giants relievers have accumulated a save rate of 60.0% and have come into the game in 13 save situations.

The Seattle Mariners have a tally of 498 putouts thus far, in addition to 177 assists and 10 errors. Their fielding rate is holding steady at .985 which is 17th in the majors, and have accumulated 20 double plays. The Giants have converted 69.1% of baseballs in play into outs out of 1,494 innings on the diamond, which has them ranked 23rd in pro baseball.

Houser (40-46 win-loss mark in his career) holds a FIP of 4.02 while he has faced 3,211 opposing hitters in the majors. He has given up 736 hits (8.8 hits per 9 innings) and has had 287 walks. His ERA is 4.08 (340 ER's allowed) and he has a WHIP of 1.365. Houser has taken the ball for 749 innings and has 586 K's during his career.

The Nationals hold a slugging percentage of .411 and they average 5.63 runs per game (2nd in baseball). They have recorded 35 doubles, while walking 65 times as well as notching 107 runs. Washington has compiled 20 long balls on the season and 97 runs batted in. They have struck out on 152 occasions (23rd in the league) and are sitting with 175 base hits. The Washington Nationals have compiled an on-base percentage of .338 and a team batting average of .262 for the year.

The Nationals hold a team WHIP of 1.574 with a FIP of 5.95 as a staff on the year. They are sitting at 30th in the league as a pitching staff in total hits surrendered with 176. The Washington pitching staff have relinquished 117 runs so far this season while having an ERA of 5.91 (111 earned runs given up). They currently have a strikeout to walk ratio of 7.70 (145 strikeouts vs 90 walks). They have surrendered 35 long balls and they give up 6.23 runs per 9 innings (30th in MLB).

Washington bullpen pitchers have an inherited score rate of 40.6% out of 32 inherited base runners. Their relief pitchers have come in 18 times in high leverage situations and on 20 occasions with base runners. Sitting with 28 save situations, the Nationals have accumulated 12 holds and also 7 blown saves. They sit at 28th in MLB with a save percentage of 41.7%, and they have sent 70 relief pitchers onto the diamond over the course of the season.

In their 1,521 innings played, the Nationals have accumulated a defensive efficiency of 69.2% (22nd in the majors). The Washington Nationals have gotten 16 double plays and hold a fielding percentage of .977 (28th in baseball). The Nationals have recorded 177 assists, 16 errors and have earned 507 putouts on the campaign.

During his MLB career, Cavalli has allowed 78 base hits while he has tallied 59 strikeouts in 68 innings. He has surrendered a total of 38 earned runs while earning a WHIP of 1.569 and a FIP of 4.9. His strikeout to walk ratio is 2.03 and he has faced 316 opposing batters during his career. Cavalli (3-3 career mark) has earned a 5.01 ERA and has allowed 10.3 hits per 9 innings.

Who will win tonight's MLB game against the spread or moneyline?

Parlay's Pundit's Pick: Take Washington (-130) and under 8 runs

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