They Might Be SF Giants: Josuar's contact-and-speed show, Lisbel Diaz's power surge at 21
By Taylor Anderson ·
The 18-Year-Old Who Doesn't Swing at Bad Pitches: Josuar Gonzalez's Case for a Fast Track
Seven hits, two doubles, two triples, five walks, and five strikeouts across 25 plate appearances. That was Josuar Gonzalez (A, SS, Rank: 1) this past week at Low-A San Jose, and the walk total matters almost as much as the hit total. The system's top-ranked prospect entered the week hitting .338/.448/.534 across 183 combined plate appearances at the complex and full-season levels, with a 30-walk, 37-strikeout ratio that is absurdly patient for an 18-year-old switch hitter. His approach sits at a 45.3 percent swing rate, which is right at league average, and over the last 30 days he has pulled that down to a genuinely selective 39 percent while hitting .323/.430/.569. When scouts describe a teenager with a 55 hit tool and a 65 field grade, they usually hedge on the timeline. Gonzalez is currently arguing against the hedge.
The ceiling comparison to Francisco Lindor or José Reyes is baked into his projection, and weeks like this one are why. The 70 speed grade plays on both sides, the arm is already a 55 with room, and the defensive actions at shortstop are described as sublime. What makes this week stand out beyond the counting stats is the walk-to-strikeout ratio: five of each in 25 trips. That is the profile of a shortstop who is hunting his pitch rather than being hunted by a pitcher. His contact rate sits at 65.8 percent, which is the part of the profile that still needs to catch up to the pure approach numbers, and you will occasionally see the swing-and-miss show up in clusters. But the selectivity is real, the athleticism is real, and five triples in 183 combined professional plate appearances tells you the legs translate immediately. The question at this point is how long San Jose can hold him before the next level has to answer these at-bats.
Twenty Home Runs at 21: Lisbel Diaz Is Swinging His Way Into a Conversation
Lisbel Diaz (A+, OF, Rank: 37) hit four home runs this past week at High-A Eugene, giving him 20 on the season in 348 plate appearances at that level. The player with the same number of home runs last year at this level and age group was typically already drawing prospect-list attention; Diaz is ranked 37th in the system with an org projection of left-field depth, and these numbers feel like they are starting to outrun that label. Over the last 30 days he is slashing at a .337/.356/.602 clip with six home runs and six doubles in 101 plate appearances, and the whiff rate has actually come down in that stretch despite the contact being louder.
The honest scout's version of Diaz is this: a 50 raw power grade with a 45 hit tool, an aggressive 55 percent swing rate, and a contact rate sitting at 75.7 percent for the season. That combination means the walks are sparse (just 12 all year at Eugene, giving him a .311 on-base at that level), and advanced pitching will eventually test whether he can lay off quality spin. But there is a version of this profile that survives at a higher level, particularly if the pitch recognition tightens even marginally, because the power is already translating at a rate that exceeds the 50 grade on paper. Twenty home runs at 21 in High-A is a data point worth filing away. He is still probably a year or two from Double-A relevance, and the chase tendencies will need to be addressed before the level jump, but I would take the over on the current org projection. This is a bat that could outperform a depth label if the approach gets any more refined.
Quick Hits
- Jonah Cox (AAA, CF, Rank: 28) · returned from a left oblique strain and went 7-for-18 with three doubles, a homer, four walks, and three strikeouts across his first week back at Sacramento. He is hitting .468/.519/.660 over his 11 Triple-A games this season, a continuation of the .400/.453/.644 line he put up at Double-A Richmond before getting promoted. The big-league strikeout-to-walk mark from his brief MLB cup of coffee is the thing to watch when he eventually comes back up, but right now he is among the hottest bats in the Pacific Coast League.
- Bo Davidson (AAA, OF, Rank: 6) · went 9-for-26 with three doubles, two homers, and 7 RBI in his best week since arriving at Sacramento. The Triple-A stint has been a grind; he is hitting .240/.321/.344 there, a significant drop from the .277/.340/.521 he put up over 73 games in Double-A. Davidson is a 55 power bat who projects to an everyday left-field role, but the swing-and-miss (50.8 percent swing rate, 71.8 percent contact) is getting more exposure at the upper level. This week was the reminder that the thump is real; whether it shows up consistently against Triple-A arms is still the open question.
- Gavin Kilen (AA, SS, Rank: 7) · had the play-of-the-week performance on the position-player side: 10 hits in 33 plate appearances with two doubles, two triples, four walks, and only four strikeouts. He is hitting .330/.375/.527 since arriving at Double-A Richmond 24 games ago, and the 80.8 percent contact rate over the last 30 days is the real headline. A 60 hit tool with a plus contact profile, Kilen is a second baseman projection who gives professional at-bats and makes double-play balls look easy. The power will not be the carrying tool, but he is making a case that the hit-first profile translates upward.
- Maui Ahuna (AA, SS, Rank: 14) · collected 9 hits in 30 plate appearances with two doubles, three RBI, and four walks against three strikeouts. He is posting a .265/.412/.382 line over his last 22 games, and the walk rate in that stretch is legitimately eye-catching for a player with a below-average hit tool. Ahuna is a glove-first shortstop projection whose defensive actions and arm have always graded ahead of the bat, and the stolen base numbers (22 on the year) remain a real offensive weapon. The average is still below where it needs to be for an everyday role, but the approach in recent weeks has been encouraging.
- Sabin Ceballos (AA, 3B, Rank: 13) · drove in 4 runs on 6 hits in 27 plate appearances, drawing four walks and getting hit twice. The season line sits at .222/.347/.379, and the 55 walks in 407 plate appearances remain his most consistent offensive trait. Power has been the question all year; he has 13 home runs but his slugging on contact still points more toward a bench third baseman than an everyday bat. This week's RBI production was nice, but the lack of extra-base pop in his recent 30-day sample (.211/.351/.237 with zero homers) is a concern that one productive week does not erase.
- Jhonny Level (A+, SS, Rank: 4) · went 5-for-19 with a homer, two walks, and three strikeouts. It was a less eventful counting-stat week than some others on this list, but Level is hitting .290/.400/.536 over his last 17 games at Eugene, with five home runs and 17 RBI in that stretch. The 55 hit tool and 60 arm at 19 years old remain the foundation; his combined .311/.376/.526 line across both levels this season, with 17 home runs and 17 stolen bases, is legitimately ahead of schedule for a switch hitter with his profile.
- Lorenzo Meola (A, SS, Rank: 56) · put up his best week of August: 9 hits in 29 plate appearances with two doubles, a homer, and 8 RBI. That RBI total on nine hits says he was coming through with runners on base, which matters for a player whose value case relies on the bat trending up. He is at .263/.343/.455 through 100 games at San Jose, and the 60 field grade at shortstop gives him a floor even if the bat settles around average. The 113 strikeouts on the season keep the hit-tool projection honest.
- Cam Maldonado (A+, OF, Rank: 30) · earned his first promotion to High-A Eugene this week after 70 games at San Jose, where he hit 14 home runs and swiped 17 bags. He immediately went deep twice in his first 20 plate appearances at Eugene, a 2-for-5 showing with three RBI. The contact rate (68.3 percent for the season) is the part of the profile most likely to be tested at the new level, but a 60 speed grade and credible center-field defense give him the tools to survive a rough patch. Worth watching to see if the elevated strikeout rate from his San Jose days follows him up the ladder.
- Yunior Marte (AA, RHP, Rank: 52) · struck out 7 over 4.2 innings of one-run ball, his best strikeout output since late June. The season ERA at Double-A sits at 4.32, but over the last 30 days he has posted a 2.73 ERA across five starts with 29 strikeouts in 26.1 innings. Marte's fastball sits 95-97 mph with a 55-grade slider alongside it, and when the two pitches are working in concert the swing-and-miss shows up. The changeup remains the developmental piece; until it becomes a reliable third option, the stuff alone is good enough to project a number-four starter ceiling.
- Marques Johnson (AA, RHP, Rank: 54) · was sharp in a pure stuff sense: 4 innings, 2 hits, zero runs, a walk, and 8 strikeouts at Richmond. The season ERA (5.05 combined) and walk rate tell the fuller story of a reliever whose 95-98 mph fastball and average slider are not enough to overcome a 40-grade command. When the zone command clicks, as it did this week, the bat-missing ability shows up; his 29 percent whiff rate this season is real. But efficiency is a persistent concern, and the career profile suggests this version is closer to the exception than the rule.
- Jacob Bresnahan (A+, LHP, Rank: 21) · gave up 2 runs across 5.1 innings with 6 strikeouts and a walk. His 2.76 ERA and 1.02 WHIP through 18 starts are the headline; over the last 30 days he has posted a 2.28 ERA with 35 strikeouts in 27.2 innings. The 60-grade changeup is already a weapon, and the 55 fastball with ride gives him two above-average offerings to work with. At 21 with a mid-rotation projection, Bresnahan is among the more underrated arms in this system.
- Trent Harris (MLB, RHP, Rank: 33) · was selected off the Triple-A Sacramento roster this week in his first MLB callup. He had posted a 3.12 ERA in 40.1 innings and 29 appearances at Sacramento before the promotion, and his debut was a rough one-third-inning outing. The sample is too small to draw conclusions. He is a relief arm without significant prospect pedigree, but the Sacramento numbers were enough to earn the look.