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Seattle has quietly built something worth paying attention to. The Mariners sit at 51-50, leading their division and riding a three-game winning streak into this matchup with Cincinnati. T-Mobile Park has been a genuine home fortress — Seattle is 30-21 there — and the offense is starting to find its footing behind Randy Arozarena, who is hitting .284 with 62 runs scored and 19 stolen bases. Julio Rodríguez, listed as day-to-day, adds another layer of intrigue to a lineup that can hurt you in multiple ways.

Cincinnati started 2026 looking like a team with real ambitions. The Reds went 20-11 out of the gate, and that version of this club is still in there somewhere. Sal Stewart has been a legitimate force — 20 home runs, 70 RBI, and 95 hits — and Chase Burns leads the pitching staff with 11 wins and 118 strikeouts. The Reds are 23-26 on the road, a number that says they can win away from home when things click.

These are two teams at different points in their seasons, but that tension is exactly what makes the game interesting. Seattle needs to protect its position. Cincinnati needs to prove the early-season version of itself wasn’t a mirage.

Cincinnati Reds at Seattle Mariners Game Information

Game Date: July 21, 2026
Game Time: 09:40 PM ET
TV Channel: Seattle Mariners, Cincinnati Reds, and MLB Network
Location: T-Mobile Park, Seattle, WA
Live Stream: Fubo (free trial)

Game Preview

Seattle leads its division and holds a meaningful edge in the AL Wild Card race, though the Boston Red Sox — on a 13-game winning streak — currently occupy the final Wild Card spot, one game ahead of the Mariners. Every game in this stretch carries real weight for a Seattle club that cannot afford to slip. Cincinnati sits 17.5 games back in the NL Central, but the Reds’ road record of 23-26 reflects a team that competes away from home. The gap in the standings is wide; the gap in competitiveness on any given night is considerably narrower.

Seattle Mariners Team Statistics and Rankings

Win-Loss Record: 51-50
Home Record: 30-21
Away Record: 21-29
Division Record: 10-15
Streak: 3 Win streak
Winning Percentage: .505

Cincinnati Reds Team Statistics and Rankings

Win-Loss Record: 45-54
Home Record: 22-28
Away Record: 23-26
Division Record: 6-22
Streak: 1 Loss streak
Winning Percentage: .455

Stat Leaders

Seattle Mariners (51-50, #1 in division)

Batting Average Leader: Randy Arozarena, 0.284
RBI Leader: Cole Young, 48 RBI
Home Run Leader: Luke Raley, 15 HR
Runs Leader: Randy Arozarena, 62 Runs
Hits Leader: Randy Arozarena, 96 Hits
Stolen Bases Leader: Randy Arozarena, 19 SB
ERA Leader: Matt Brash, 0.54 ERA
Strikeout Leader: Logan Gilbert, 129 K
Wins Leader: George Kirby, 8 W
Saves Leader: Andrés Muñoz, 17 SV

Cincinnati Reds (45-54, #5 in division)

Batting Average Leader: Blake Dunn, 0.282
RBI Leader: Sal Stewart, 70 RBI
Home Run Leader: Sal Stewart, 20 HR
Runs Leader: Spencer Steer, 54 Runs
Hits Leader: Sal Stewart, 95 Hits
Stolen Bases Leader: Elly De La Cruz, 15 SB
ERA Leader: Tejay Antone, 2.17 ERA
Strikeout Leader: Chase Burns, 118 K
Wins Leader: Chase Burns, 11 W
Saves Leader: Emilio Pagán, 7 SV

What to Watch For

Arozarena is the player to watch in the Seattle lineup. His .284 average, 62 runs, and 19 stolen bases make him a constant threat to change a game’s complexion, and he does damage in ways that don’t always show up in the box score. Dominic Canzone adds punch — 15 home runs and 40 RBI — while Josh Naylor brings both contact and speed at .253 with 19 stolen bases. J.P. Crawford is listed as day-to-day, which opens the door for others to step into a larger role.

For Cincinnati, Stewart is the offensive anchor. Twenty home runs and 70 RBI at this point in the season put him among the more productive hitters in the National League, and he gives the Reds a genuine middle-of-the-order threat regardless of what else is going wrong. JJ Bleday has added 16 home runs and 43 RBI, giving Cincinnati a second legitimate power source.

On the mound, Burns has been the Reds’ most reliable arm — 11 wins and 118 strikeouts. Bryce Miller anchors the Seattle rotation with a 2.27 ERA and 71 strikeouts. Matt McLain, working back from a calf issue, is listed as day-to-day, and his return would give Cincinnati’s lineup a needed boost in the middle of a demanding road stretch.

Seattle Mariners Injury Report

Rob Refsnyder – Knee (D10) – The Seattle Mariners placed DH Rob Refsnyder on the 10-day injured list due to right knee inflammation.
Will Wilson – Thumb (D60) – The Seattle Mariners placed INF Will Wilson on the 60-day injured list due to left thumb fracture.
J.P. Crawford – Undisclosed (Day-to-Day) – Crawford was scratched from Monday’s (Jul. 20) game against the Reds due to an undisclosed injury.
Matt Brash – Lat (D15) – The Seattle Mariners placed RHP Matt Brash on the 15-day injured list with a right lat strian.
Cooper Criswell – Shoulder (D60) – The Seattle Mariners transferred RHP Cooper Criswell to the 60-day injured list with a right shoulder strain.
Brendan Donovan – Groin (D10) – The Seattle Mariners placed INF Brendan Donovan on the 10-day injured list due to a strained left groin.
Carlos Vargas – Lat (D60) – The Seattle Mariners transferred RHP Carlos Vargas from the 15-day injured list to the 60-day injured list with a right lat strain.
Logan Evans – Arm (D60) – The Seattle Mariners placed RHP Logan Evans on the 60-day injured list after he underwent surgery to reconstruct a torn ulnar collateral ligament in his right arm.
Julio Rodríguez – Undisclosed (Day-to-Day) – Rodríguez exited Monday’s (Jul. 20) game against the Reds due to an undisclosed injury.

Cincinnati Reds Injury Report

Nick Lodolo – Finger (D15) – The Cincinnati Reds placed LHP Nick Lodolo on the 15-day injured list with blister left index finger.
Matt McLain – Calf (D10) – The Cincinnati Reds placed INF Matt McLain on the 10-day injured list with a strained calf.
Brandon Williamson – Shoulder (D60) – The Cincinnati Reds placed LHP Brandon Williamson to the 60-day injured list with left shoulder fatigue.
Graham Ashcraft – Forearm (D60) – The Cincinnati Reds placed RHP Graham Ashcraft on the 60-day injured list due to a sprained right forearm.
Blake Dunn – Elbow (D10) – The Cincinnati Reds placed OF Blake Dunn on the 10-day injured list with a right elbow sprain.
Tony Santillan – Oblique (D15) – The Cincinnati Reds placed RHP Tony Santillan on the 15-day injured list with an oblique strain.

Seattle Mariners Upcoming 2026 Schedule

July 21, 2026 vs Cincinnati Reds
July 22, 2026 vs Cincinnati Reds
July 24, 2026 at Texas Rangers
July 25, 2026 at Texas Rangers
July 26, 2026 at Texas Rangers
July 27, 2026 at Texas Rangers
July 28, 2026 at Los Angeles Dodgers
July 29, 2026 at Los Angeles Dodgers
July 30, 2026 at Los Angeles Dodgers
July 31, 2026 vs Minnesota Twins

Cincinnati Reds Upcoming 2026 Schedule

July 21, 2026 at Seattle Mariners
July 22, 2026 at Seattle Mariners
July 24, 2026 at St. Louis Cardinals
July 25, 2026 at St. Louis Cardinals
July 26, 2026 at St. Louis Cardinals
July 27, 2026 vs Cleveland Guardians
July 28, 2026 vs Cleveland Guardians
July 29, 2026 vs Cleveland Guardians
July 30, 2026 vs Pittsburgh Pirates
July 31, 2026 vs Pittsburgh Pirates

Our game previews are produced programmatically using real-time data via Sportradar and AI writing tools. Articles are regularly reviewed for accuracy before publication.