Miami Marlins vs Houston Astros Prediction, 7/21/2026 MLB Picks, Best Bets & Odds

Game: Miami Marlins vs Houston Astros

Date: Tuesday, July 21, 2026

Location: Daikin Park in Houston, TX

TV: Space City Home Network

Odds/Point Spread: Miami (+125) Houston (-145)

The Houston Astros (47-54) are hosting the Miami Marlins (52-48) at Daikin Park on Tuesday. The line on this matchup has Miami at +125 while Houston is at -145. The total is 8. The expected starting pitchers will be Tyler Phillips and Tatsuya Imai.

As a team, the Miami Marlins are knocking in 4.5 runs per contest, which puts them at 14th in baseball. They have earned a total of 447 runs while holding a team OBP of .328. The Marlins have hit 167 two-baggers as a unit and have smacked 101 baseballs out of the park. They have 430 RBI's as well as 837 hits so far this year, and their batting average is sitting at .252. Miami is slugging .408 and have struck out 810 times, while drawing a walk on 337 occasions.

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They have accumulated a K/BB ratio of 2.47 and their pitching staff holds a collective WHIP of 1.25. Marlins pitchers have conceded 97 home runs in addition to 428 runs in total (11th in the league). Miami has allowed 754 base knocks (7.7 per 9 innings) as well as 392 earned runs. The Marlins have an earned run average of 4.01 so far this year (10th in the league), and the staff has rung up 850 batters. They have walked 344 players from the other team and their FIP comes in at 3.97 as a squad on the campaign.

The Marlins relief pitchers have recorded a save rate of 63.9% and have stepped onto the mound in 96 save situations. They have accumulated 23 saves this season and have blown 13 out of their 36 save opportunities. The relief pitchers have inherited 127 base runners on the season with 19.7% of them ended up scoring. Marlins pitchers have come into the game with runners on base 87 times in addition to having 98 appearances in high leverage situations. The Marlins have sent 322 relievers to the hill on the season. The bullpen have a total of 58 holds on the campaign (11th in the league).

The Marlins have turned 70.7% of baseballs in play into outs out of 7,920 innings, which has them sitting at 11th in baseball. The Miami Marlins have notched a total of 2,640 putouts thus far, in addition to 814 assists and 64 errors. Their fielding percentage is holding at .982 which ranks 27th in pro baseball, and have 71 double plays.

Phillips has taken the hill for 189 innings and has accounted for 136 strikeouts thus far in his career. Phillips (8-6 win-loss record in his career) has earned a FIP of 3.80 while going up against 797 hitters during his time in the major leagues. His earned run average is 3.86 (81 ER's allowed) and his career WHIP is 1.296. He has surrendered 179 base hits (8.5 hits per nine innings) and has 66 walks.

The Houston Astros have accumulated an on-base percentage of .315 in addition to a batting average of .241 over the course of the season. They have been rung up on 823 instances (17th in MLB) and have accounted for 818 base hits. Houston is sitting with 134 HRs for the year as well as 434 RBIs. The Astros hold a team slugging percentage of .409 and they are scoring 4.50 runs per outing (13th in baseball). They have 155 doubles, while taking a walk 334 times as well as recording 455 runs.

The Astros have a team WHIP of 1.397 in addition to having a FIP of 4.85 as a staff this season. They are currently ranked 14th in baseball as a pitching staff in total hits conceded with 805. The Houston pitching staff have conceded 508 runs for the year while having a team ERA of 4.75 (472 earned runs relinquished). Their K/BB ratio is 8.90 (882 strikeouts against 444 bases on balls). They have conceded 139 dingers and they concede 5.11 runs per 9 innings (25th in baseball).

Houston relief pitchers hold an inherited score rate of 28.8% out of their 139 inherited runners. Their bullpen pitchers have stepped onto the hill 98 times in high leverage situations and also on 92 occasions with base runners. Sitting with 78 save situations, the Astros have accrued 44 holds in addition to 6 blown saves. They are ranked 1st in baseball with a save percentage of 82.4%, and they have sent 318 relievers onto the field on the campaign.

The Houston Astros have gotten 82 double plays and hold a fielding percentage of .988 (7th in baseball). The Astros have 743 assists, 43 errors and have accounted for 2,683 putouts for the season. In their 8,049 innings played, the Astros have accumulated a efficiency on defense of 70.8% (9th in the majors).

So far in his pro baseball career, Imai has allowed 45 base knocks while he has accumulated 63 strikeouts in 52 innings. Imai (5-4 record in his career) holds a 6.06 ERA while giving up 7.8 hits per 9 innings. He has given up a total of 35 earned runs while earning a WHIP of 1.500 and having a FIP of 6.0. He has a strikeout to walk ratio of 1.91 and he has faced 233 hitters in his career.

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

Guy Bruhn's Pick: Take Miami (+125)

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