Breaking Call-Up MLB Pipeline #45 Overall Seattle Mariners

Michael Arroyo Mariners Call-Up Lineup & Defensive Fit Lab

Captured from @MLB post: Seattle Mariners call up INF/OF Michael Arroyo

Defensive Deployment on T-Mobile Park Diamond

Deploy Michael Arroyo (INF/OF) across positions to inspect fielding range contour

Active: 2B (Second Base)
Defensive Range
94.2%
+3.8% vs. Roster Baseline
Proj. DRS (per 162)
+4 DRS
+6 DRS replacement delta
Arm Strength Rating
84.5 mph
50 Grade Arm
Defensive Efficiency
.718 DER
+0.012 DER delta

September Lineup Card & Run Expectancy

Adjust Arroyo's slot (1-9) to see projected Markov runs/game

Runs/Game: 4.62 (+0.31)
Slot Player Pos wOBA Bat Exp PA
Opposing Pitcher Handedness:
Arroyo career splits: .285/.392/.440 vs RHP | .268/.370/.410 vs LHP

MLB Pipeline 20-80 Tool Grades

Pipeline No. 45

Scouting profile for Michael Arroyo (Age 21 | INF/OF | Seattle Mariners).

Hit
55
Power
50
Run
45
Arm
50
Field
50
Overall
55
Pipeline Analyst Take: Advanced plate discipline with compact rotational torque. Arroyo generates plus on-base ability with gap-to-gap extra base pop and instinctive defensive versatility.

Batted Ball Spray Profile

All Fields Contact

T-Mobile Park simulation: 38% Pull, 34% Center, 28% Oppo

● Line Drive (24.2%) ● Fly Ball (35.6%) ● Hard Grounder (40.2%)

September Call-Up Context

AL West Race
  • ✓
    40-Man Roster Addition: Arroyo takes active INF/OF flex role, offering insurance for middle infield and corner outfield.
  • ✓
    High-Floor Contact Tool: 55-grade hit profile projects an immediate boost in on-base percentage at bottom-of-order slots.
  • ✓
    Lineup Versatility: Can cycle between 2B, 3B, and corner OF to give regular rest days to veteran starters.