Angels Prospect Weekly: Nimmala's Power Surge at Double-A, Munroe Keeps Mashing
By Blake Foster ·
Angels Prospect Weekly covers the last 7 days of action for the Angels farm system.
Nimmala's Double-A Power Keeps Arriving in Bunches
Arjun Nimmala (AA, SS, Rank: 1) turned in an outstanding offensive week in the Angels system, collecting 9 hits, three doubles, and four home runs across 24 plate appearances while adding a walk and driving in five. The raw counting line is striking enough, but the 30-day context makes it harder to dismiss: over his last 114 plate appearances at Double-A, he is slashing .240/.360/.521 with seven home runs, a 15.8 BB%, and a 24.6 K%. Four home runs in a week from a 20-year-old playing his first real Double-A stretch is production the scouting picture has been pointing toward without fully delivering on -- until now. He arrived via trade in early August and has fit in well at Rocket City, with his combined 2026 line sitting at .260/.369/.480 with 15 home runs across 385 plate appearances at three levels.
The profile here is a 20-year-old shortstop with a 55 power grade, a 60 arm, and enough defensive tools to project as an everyday big-leaguer if the hit tool gets to fringe-average. That is the central question. The 45 hit grade and 70.9% contact rate on the season reflect a swing that still has length and a clear vulnerability to breaking balls and offspeed away. The 24.6 K% over the last 30 days is not alarming for the level and age, and the 15.8 BB% over that same stretch is genuinely encouraging -- it suggests real pitch recognition rather than passive contact. He will not turn into a high-average hitter overnight, and the strikeout totals will spike when better arms start going after the outer-half hole consistently. But a 20-year-old putting up a .521 slugging mark at Double-A while drawing walks at a 15% clip is not a fluke profile. The power tool is showing up in games, and the defensive home remains legitimate. He is the top prospect in the system for a reason, and this week did nothing to complicate that standing.
Munroe's September Has Been Methodical and Productive
Jake Munroe (AA, 3B, Rank: 19) had another clean week at Rocket City, going 6 for 23 with a double, a triple, a home run, three RBI, three walks (plus two hit by pitches), and just one strikeout. For a corner bat whose projection rests almost entirely on the offensive side, the contact quality matters as much as the counting stats. Over his last 30 days, the line reads .308/.418/.549 with five home runs, a 10.9 BB%, and an 18.2 K% across 110 plate appearances. For the full season combined across High-A and Double-A, Munroe is hitting .291/.402/.501 with 19 home runs and 30 doubles in 511 plate appearances -- a 60 power grade showing up at a real volume.
The honest version of this profile is a first-base-bound corner bat whose glove grades at 40 and whose athleticism will not carry him anywhere. The pressure is entirely on the bat, and for most of 2026 the bat has held up. The 76.7% contact rate distinguishes him from being purely a power-or-bust guy; it reflects a direct, backspin-oriented swing that keeps him in counts and limits the empty strikeouts. He can get pull-happy and rotational when he is hunting power, which creates exposure to premium velocity up in the zone and spin away, but a 17.2 K% for the season suggests that tendency is at least partially contained. The 19 home runs at age 22 across two levels with walk rates north of 10% at every stop is a legitimate offensive profile. Whether it clears the first-base offensive bar in the big leagues is still unanswered, but the body of work through September makes the case worth taking seriously.
Quick Hits
- Jacob Cozart (AA, C, Rank: 27) · drove in five runs on six hits, including a home run and a double, across 23 plate appearances, adding four walks and a hit by pitch. The on-base approach has been a consistent thread over the last 30 days: a 14.3 BB% and six home runs in 91 plate appearances at Double-A, with the slugging mark sitting at .487 over that stretch. Cozart is a 55 field grade, defense-first receiver who projects as a second-division regular, but the pop over the last month has been more than incidental. His 17 combined home runs on the season represent a meaningful step forward from nine in 2025, and the walk rate has stayed in the 11-12% range all year. I'd take the over on the offensive grades from June's report.
- Raudi Rodriguez (AAA, OF, Rank: 14) · went 7 for 26 with a double, two home runs, four RBI, and three walks at Salt Lake this week. A 50 hit tool and 55 speed grade, he has been one of the more well-rounded bats in the system this year: 34 stolen bases, a 14.2 BB%, and a .368 OBP across 556 combined plate appearances. The corner defensive profile and below-average arm cap the ceiling at a bench or up-and-down role, but the on-base and baserunning ability at Triple-A is real and not a product of a single hot week. His 19.0 K% at AAA is the best strikeout rate he has posted at any full-season level.
- Joel Hurtado (AAA, RHP, Rank: 29) · was the top pitching performance of the week, working 7 innings, allowing 4 hits and 1 earned run, walking 1, and striking out 5 while generating 11 swinging misses on 98 pitches. The outing was a needed outlier: Hurtado's last-30-day ERA at Triple-A sat at 5.54 across 26 innings heading into the start, with six home runs allowed in that stretch. The home-run rate has been the consistent problem at AAA all year, tied to a 40 command grade and the tendency to leave his 95 mph fastball over the plate when sequencing breaks down. His Double-A work this season was genuinely good (3.63 ERA, 1.21 WHIP in over 101 innings), which is why one clean start at Salt Lake does not settle the AAA question but does at least show the underlying stuff is still there. He profiles as a back-end starter or swingman; the command will determine which.
- Chris Cortez (AA, RHP, Rank: 13) · worked 3.1 innings out of the Rocket City bullpen, allowing 1 hit and 1 earned run while striking out 3 and walking 3, with 10 swinging misses on 64 pitches. The walk rate remains the defining issue: he is at a 21.1 BB% for the season combined, and a 15.0 BB% over the last 30 days in his AA relief role. The whiff numbers over that stretch are genuinely impressive -- a 37.7% swinging-strike rate and a 33.3 K% in 14 innings at Double-A over the last month. A 96-99 mph four-seamer paired with a plus slider produces those numbers; the question is whether a 35 command grade ever gets to a point where he can stop walking the ballpark. The stuff is late-inning caliber. The control is not.
- Tyler Bremner (AA, RHP, Rank: 5) · ran into a rough outing this week at Rocket City, going 4.1 innings with 5 hits, 4 earned runs, 2 walks, and 8 strikeouts while generating 17 swinging misses. The 17 whiffs on 86 pitches tell you the stuff is still working; the 4 runs in 4.1 frames tell you something was leaking. The bumpy week comes after a strong last-30 stretch: a 3.98 ERA and 38.3 K% across 20.1 innings at Double-A, with a 6.2 BB% that reflects the average command grade better than other stretches this year. Bremner is the fifth-ranked arm in the system with a 70-grade changeup and a mid-to-upper-90s fastball, and one rough start does not move the needle on a profile projecting as a potential number-two starter. The slider inconsistency is the real one to watch.
- Nelson Rada (AAA, CF, Rank: 7) · had a tough week at Salt Lake, going 4 for 21 with three RBI, three walks, and four strikeouts but no extra-base hits. The recent trend fits: over his last 30 days, Rada is hitting .211 with a .322 OBP and a .276 slugging mark across 94 plate appearances at Triple-A. The power has never been the point -- a 30 power grade and below-average pull authority are part of the profile -- but a .276 slugging over a month-long sample at any level is thin even for a hit-and-speed guy. His 38 stolen bases and 12.2 BB% on the season are real, and the 55 hit tool and 60 speed grade have delivered at every stop through Double-A. The AAA adjustment has been slower than expected, and he will need to tighten the contact rate before the promotion starts looking fully settled.