Washington Nationals vs Colorado Rockies Picks, Prediction, Odds, and Line Movement for Tuesday July 21 2026

By: Kyle Kargel Published 07/21/2026, 09:58 AM ET
Nationals vs Rockies prediction

The Washington Nationals vs Colorado Rockies prediction for Tuesday's matchup at Coors Field looks at a Nationals team that has won back-to-back games, most recently a 7-3 victory Monday, and now looks to keep the momentum going behind Miles Mikolas. Colorado turns to Michael Lorenzen in an attempt to snap a stretch of struggles. For more coverage across the league, check out our MLB picks for additional angles on tonight's slate.

TLDR: Quick Picks and Prediction

  • Moneyline Pick: Nationals (-112)
  • Total Pick: Over 13 runs
  • Final Score Prediction: Nationals 9, Rockies 6

Odds and Line Movement

Current Odds

Market Washington Nationals Colorado Rockies
Moneyline -112 -107
Run Line -1.5 (+140) +1.5 (-170)
Total 13 runs

Line Movement - Moneyline

Date Time Washington Colorado Public ($, #)
07/21 08:05:38AM -112 -107 WAS 81%, 64%
07/21 08:05:38AM -110 -107 WAS 81%, 64%
07/21 08:05:38AM -110 -109 WAS 83%, 64%
07/21 07:12:48AM -111 -109 WAS 83%, 64%
07/21 04:52:05AM -112 -107 WAS 75%, 60%
07/21 03:16:39AM -110 -110 WAS 70%, 58%
07/21 03:11:09AM -108 -112 WAS 70%, 58%
07/21 00:58:20AM -106 -114 WAS 72%, 62%
07/20 09:05:28PM -106 -114
07/20 03:06:08PM -106 -114
07/20 03:06:08PM -106 -114

Line Movement - Total

Date Time Over Under Public ($, #)
07/21 08:05:38AM 13 (-110) 13 (-110) O84%, U78%
07/21 07:57:38AM 13 (-108) 13 (-112) O84%, U80%
07/21 07:12:48AM 13 (-104) 13 (-116) O84%, U80%
07/21 05:42:57AM 13 (-107) 13 (-113) O84%, U80%
07/21 05:41:57AM 13 (-107) 13 (-112) O84%, U80%
07/21 05:39:02AM 13 (-106) 13 (-113) O84%, U80%
07/21 04:52:05AM 13 (-108) 13 (-112) O84%, U80%
07/21 03:22:39AM 13 (-107) 13 (-113) O84%, U80%
07/21 03:16:39AM 13 (-106) 13 (-113) O84%, U80%
07/21 03:11:09AM 13 (-107) 13 (-113) O84%, U80%
07/21 00:58:20AM 13 (-106) 13 (-113) O84%, U80%
07/20 11:33:56PM 13 (-107) 13 (-112)
07/20 11:12:06PM 13 (-105) 13 (-115)
07/20 09:05:28PM 13 (-107) 13 (-113)

Nationals vs Rockies Key Matchups and Game Preview

Nationals Starting Pitching

Miles Mikolas starts for Washington with a 3-7 record, 5.53 ERA and 1.33 WHIP across 94.1 innings. The right-hander has allowed 105 hits and 20 home runs while recording only 50 strikeouts, a concerning profile at a venue where contact and fly balls can quickly turn into extra-base damage. His low walk total of 20 is a positive, but he will need to consistently locate near the edges against a Colorado lineup that hits better at home.

Rockies Starting Pitching

Colorado counters with Michael Lorenzen, who is 3-9 with a 6.22 ERA and 1.77 WHIP through 97 innings. Lorenzen has surrendered 134 hits and 38 walks while striking out 73, creating a difficult matchup against a Washington offense that has scored 36 runs over its last four games.

Washington Offense

The Nationals hold the stronger offensive numbers, producing 552 runs, 147 home runs and a .440 slugging percentage while batting .252. James Wood leads Washington with 28 home runs, while C.J. Abrams has supplied 22 homers and a team-high 72 RBIs. Luis Garcia Jr. is batting .279 with an impressive .542 slugging percentage.

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Colorado Offense

Colorado is hitting .255 but has scored only 487 runs with 116 homers and a .420 slugging percentage. Hunter Goodman has hit 30 home runs and driven in 56 runs, while Jake McCarthy leads the club with a .305 average and .512 slugging percentage.

Washington Injury Situation

Washington is missing starter Trevor Williams and several relievers, including Brad Lord, P.J. Poulin and Jake Irvin, which could create late-inning concerns.

Colorado Injury Situation

Colorado is without outfielder Brenton Doyle and designated hitter Kris Bryant, while relievers Blas Castano and Jaden Hill are also sidelined.

Washington won Monday's opener 7-3 for its second consecutive victory, improving to 51-50 and moving eight games behind Atlanta in the National League East. Colorado dropped to 40-62 and remains last in the NL West, 23.5 games behind Los Angeles. Public betting money has come in heavily on Washington throughout the week, with multiple snapshots showing between 70 and 83 percent of bets on the Nationals, while the total has also drawn strong over support at 84 percent across several updates.

WAS and COL Injury Report and Things To Know

  • Nationals starter Trevor Williams is unavailable.
  • Nationals relievers Brad Lord, P.J. Poulin and Jake Irvin are sidelined.
  • Rockies outfielder Brenton Doyle is out.
  • Rockies designated hitter Kris Bryant is unavailable.
  • Rockies relievers Blas Castano and Jaden Hill are also sidelined.
  • Washington has won back-to-back games and took Monday's opener 7-3.

Nationals vs Rockies Side and Over/Under Picks

Nationals Side Pick

With both starters carrying ERAs above 5.50 and WHIPs of at least 1.33, run prevention should be difficult. Washington's deeper lineup and recent offensive form provide the edge, making the Nationals moneyline at -112 the preferred pick.

Colorado Total Angle

With Washington scoring 36 runs over its last four games and both starters showing significant vulnerability, the over 13 runs stands out as the preferred total play for this game.

Final Score Prediction

  • Nationals: 9 runs
  • Rockies: 6 runs

This projection lines up with the preferred pick of Nationals moneyline and the over 13 total.

How to Wager On Nationals vs Rockies

For this Nationals vs Rockies matchup, the clearest paths are the Nationals moneyline and the over 13 total, with Washington's deeper lineup and both shaky rotations supporting these plays. Bettors who want additional tools before placing a wager on this game can also explore our AI picks resource, along with our Dimers review and Oddible review for more ways to approach tonight's slate.

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