SF Giants pitching prospects rundown (5/7 - 5/13)

Make sure to revisit our weekly SF Giants prospect rundowns to keep up with each of the organization’s minor-league affiliates.

SF Giants pitching prospects rundown (5/7 - 5/13)

If you do not feel well acclimated to the prospects throughout the farm system, you might want to revisit this year's Prospect Week article (specifically the SF Giants 2022 prospects depth chart) or purchase the 2022 SF Giants Prospects Primer filled with scouting reports of 150 San Francisco Giants prospects from the best of the best to the unheard-of prospects. If you’re just interested in the biggest names, then the monthly updated 2022 Top 30 Prospects is just what you need.

River Cats Pitching Prospects

Notable Performers

Mauricio Llovera: 2 G, 2 IP, 1 H, 0 R, 0 BB, 3 K, 0.00 ERA
Joey Marciano: 3 G (1 SV), 4.2 IP, 3 H, 1 R (0 ER), 3 BB, 4 K, 0.00 ERA

Let's start off with the River Cats and the stellar job that Mauricio Llovera has done out of the bullpen so far this season. Llovera has begun the 2022 season by throwing 12.2 scoreless innings of five-hit ball with only two walks allowed (one of which is intentional) and has struck out 17 batters. Llovera's near-five-foot release height gives his fastball that touches 98 MPH a good plane at the top of the zone and the sinker has shown potential below the zone with its good horizontal movement. His slider has late movement that tunnels well with his fastball. It's easy to envision Llovera making it back to the big leagues this season.

Joey Marciano is having himself a nice season with the River Cats with a 1.20 ERA though it comes with a lot of caveats. The first is his career-high 14.5% walk rate and a career-low 21% strikeout rate. Yes, the sinker can touch the high-90s with an above-average spin rate but he's having trouble finishing hitters off leading to plenty of traffic on the bases. Also, there is a distinct difference in terms of his fastball and slider release points that hitters could pick up if they are good at it. All signs point to a regression in the performance in the near future but Marciano has the ability to combat it.

As a side note, it's nice that they finally correctly recognized Sean Hjelle's slider as a knuckle curve.

I'll round out the River Cats rundown by mentioning a few pitching prospects in short bursts. Raynel Espinal's outing might not be pretty this week but he has some traits that are very desirable like his near-five-foot release height and his good fastball-slider combo. Speaking of combo, did you know that Patrick Ruotolo has the fourth-highest strikeout rate strikeout rate out of all Giants pitching prospects while having the lowest walk rate among the top five? I bet you did not, so now you know. On the other hand, Kervin Castro's walk rate ballooned to 31%, the highest in the entire farm system? He's allowed a walk in seven straight appearances which is not doing favors to his prospect stock.

SF Giants pitching prospects rundown (5/7 - 5/13)

Flying Squirrels Pitching Prospects

Notable Performers

Bryan Brickhouse: 1 G (1 GS), 6.2 IP, 4 H, 0 R, 0 BB, 10 K, 0.00 ERA
Ryan Walker: 2 G, 2.1 IP, 0 H, 0 R, 0 BB, 5 K, 0.00 ERA
Gray Fenter: 1 G (1 GS), 4.1 IP, 0 H, 0 R, 1 HBP, 2 BB, 5 K, 0.00 ERA
Chris Wright: 3 G (1 SV), 3.2 IP, 4 H, 1 R (1 ER), 2 BB, 5 K, 2.45 ERA

Bryan Brickhouse had the game of his life this week with a stellar outing against Harrisburg. Who is Bryan Brickhouse though, you might ask? Well, Brickhouse is originally from the Kansas City Royals organization when they drafted him in the third round of the 2011 Draft and he has an incredible story to tell. His career with the Royals in the early going has been riddled with elbow-related injuries and has decided that his baseball journey is done in 2017 and took up real estate. He then began doing yoga in his home by watching Yoga with Adriene on YouTube (my sister is also a fan of hers) for peace of mind and body and the elbow pain that plagued him was gone. He also shed weight, took up weighted ball training, and was back in pro ball pumping gas in 2018, touching 100 MPH. He bounced between the Cubs and the Dodgers before signing with the Giants in a MiLB deal this season. He's been thrown into a rotation role with the Dodgers club last year and the Giants committed to it this year. The ERA might not be pretty right now but Brickhouse has a puncher's chance of reaching the big leagues.

For more on Brickhouse's story, read here.

After scuffling out of the gate, Ryan Walker is back to his usual shenanigans with seven straight scoreless outings. Out of that stretch, Walker threw 7.2 innings, struck out 11 batters, and has only allowed one walk and hit. The ERA might not look pretty now but the Ryan Walker that we know as a highly deceptive, strike-throwing righty with a sinker-slider combination from a low 3/4 arm slot is back. We all love Ryan Walker here and if you are not, then you are missing out.

I think Gray Fenter should be a starter for the Flying Squirrels for the rest of the season because he looks comfortable with the role, yeah? Look at this:

As a starter: 13.1 IP, 3 H, 1 HBP, 9 BB, 21 K, 0.68 ERA
As a reliever: 7.1 IP, 7 H, 5 BB, 6 K, 6.14 ERA

Fenter is still struggling to throw strikes but at least he can throw better in a rotation/opener role. If that is the roadmap for Fenter's big league journey, then I'm all in.

Let's end off the Flying Squirrels rundown with Chris Wright. Last season, Wright was one of the best relievers in the system and has flirted with top 30 consideration. This season though is a different story. Yes, the ERA is a stellar 1.98, but the peripherals tell a different story, specifically with his strike-throwing. He is inside the top 15 pitchers in the Giants system with the highest walk rate (15.8%) and he has struck out less than a batter an inning this season. Strike-throwing has been an issue for him. He's been working on a sweeping breaking ball that looked nasty when on but he has struggled to land it for strikes for the most part. It will be interesting to see where Wright will finish after this season.

SF Giants pitching prospects rundown (5/7 - 5/13)

Emeralds Pitching Prospects

Notable Performers

Wil Jensen: 1 G (1 GS), 3 IP, 1 H, 1 R (1 ER), 2 BB, 7 K
Clay Helvey: 1 G, 2 IP, 0 H, 0 R, 1 BB, 6 K, 0.00 ERA
Prelander Berroa: 1 G (1 GS), 3 IP, 2 H, 0 R, 1 BB, 4 K, 0.00 ERA

Eugene's games have been either delayed, postponed, or just canceled outright because of the absolutely awful weather in the Pacific Northwest over the past month and a half. It makes it difficult for players to get momentum, for evaluators to erm, evaluate, and for fans to enjoy the games when raincoats are necessary.

Wil Jensen is once again off to another strong start to a season, but this time a year older and a level higher. What I always liked about Jensen is his ability to not give up walks (6%) despite having a below average strike rate (61%). Jensen is simply making good pitches in hitter's counts and making hitters chase in pitcher's counts. That has resulted to his strong 34% strikeout rate and a 2.92 ERA with a corresponding 2.67 xFIP. Jensen is you prototypical crafty pitcher who can fill the zone with decent stuff where he's worked hard to turn his slider into an out pitch and his fastball can touch 95 MPH.

The Giants front office have added a ton of relief prospects that have non-zero chance of making it to the big leagues and Clay Helvey is one of them. Helvey was dominant this week with all of his outs came via the strikeout. His 4.15 ERA might be a mirage as his WHIP is only at 0.92 and he has struck out 40% of the batters that he faced while keeping his walk rate at a decent 10.9%. Helvey has a slider that flashes above-average to plus at its best and the fastball can reach up to the mid-90s. He's been a strikeout machine out of the bullpen last year in San Jose and he's been a strikeout machine this year as well for Eugene.

Let's end the Eugene rundown with a discussion on the trade that sent Prelander Berroa to the Mariners for Donovan Walton. Most of the initial reactions were mixed as the general vibe was that they sent a talented pitcher like Berroa for someone who is relatively unknown and has struggled to produce in the big leagues when counted on for. I had a similar reaction but I kind of see why the Giants did it. Yes, Berroa is talented but there's pretty much the writing on the wall for him. He had a 0.68 ERA across four starts but the walk rate has been pretty much below-average and this season is no different with a 12.6% rate and I understand if the Giants are not exactly in on it because if we think that Berroa will likely be a bullpen piece, there's a plethora of strong relief options in the farm system right now with better strike-throwing and a more consistent breaking ball than Berroa. The changeup has not developed into a pitch that would have Berroa be a legitimate rotation piece so the future is definitely in the pen. It's a sad thing to think but that's just how the cookie crumbles sometimes.