KBO Preview: SSG Landers vs Kiwoom Heroes | July 31 Starting Pitchers & Predictions

Kim Geon-woo

Away Starter | SSG Landers

7W-7L | ERA 6.32 | 89 2/3 IP | 69K

Park Jun-hyun

Home Starter | Kiwoom Heroes

1W-5L | ERA 4.61 | 56 2/3 IP | 59K

Starting Pitcher Breakdown

The pitching matchup presents a stark contrast in experience and recent form. SSG Landers will deploy Kim Gun-woo, a right-hander operating with a 7-7 record and a concerning 6.32 ERA across 89⅔ innings. His WHIP of 1.74 indicates elevated baserunner traffic, reflecting control issues that have plagued his 2026 campaign. Kim’s fastball sits at 143 km/h and comprises 53% of his pitch arsenal, complemented by a 134 km/h slider (18%) and a 129 km/h changeup (17%). While the pitch distribution is conventional, the velocity profile suggests limited margin for error against quality opposition.

Opposing him will be Park Jun-hyeon of the Kiwoom Heroes, a left-hander whose 1-5 record and 4.61 ERA across 56⅔ innings tell a story of inconsistency and limited opportunity. However, Park’s WHIP of 1.68 is marginally superior to Kim’s, and his fastball velocity of 151 km/h provides a tangible advantage over his counterpart. Notably, Park relies heavily on secondary pitches, with his slider representing 35% of his pitch mix—a significantly higher proportion than Kim’s approach. The curveball (12%) adds a third dimension to his repertoire. Despite limited innings pitched, Park’s ability to generate strikeouts (59K) on a per-inning basis suggests untapped potential that could prove consequential against a struggling offense.

Team Form and Recent Performance

The SSG Landers occupy ninth place in the standings with a 37-4-58 record, positioning them in a virtual dead heat with the tenth-place Kiwoom Heroes (36-2-62). This proximity in the standings masks differing trajectories and structural concerns. The Landers’ recent five-game sequence reveals inconsistency: losses to the Doosan Bears (3-5, 1-2) were interspersed with victories (6-2 against Doosan, 10-4 against NC Dinos) and a draw (5-5 against NC). This pattern suggests the Landers lack the sustained offensive production necessary to distance themselves from the relegation zone, particularly when starting pitching fails to provide length.

The Kiwoom Heroes face a comparable narrative of instability. Their last five contests include two losses to the LG Twins (3-5 on two occasions), victories against the same opponent and the Kia Tigers (18-11, 8-3), and a loss to Kia (5-9). The 18-11 victory over LG represents their most recent high-impact performance, suggesting latent offensive capacity. However, the 5-9 loss to Kia indicates vulnerability against quality pitching. Both teams have struggled to establish consistency, making this contest a potential inflection point in their respective seasons.

Head-to-Head History

The season series between these clubs stands at 5-4 in favor of the Kiwoom Heroes, with the Landers holding a 4-5 record in nine completed matchups. This narrow differential suggests competitive balance, though the Heroes’ recent dominance in direct competition cannot be dismissed. The Landers have won four contests against the Heroes, indicating they possess the offensive and pitching resources to prevail at Gocheok, the Heroes’ home stadium. However, the Heroes’ edge in head-to-head competition this season implies structural advantages—potentially roster depth, bullpen reliability, or situational execution—that merit consideration.

Key Matchup to Watch

The central strategic narrative will revolve around the Heroes’ ability to exploit Kim Gun-woo’s elevated ERA and poor WHIP. Hitters capable of generating quality contact against fastballs in the 143 km/h range should approach this at-bat with aggression, particularly if Kim’s slider command proves inconsistent. Conversely, Park Jun-hyeon’s 151 km/h fastball and heavy reliance on breaking balls will test the Landers’ patience and ability to lay off pitches outside the zone. The team that executes disciplined plate appearances—avoiding chase pitches while capitalizing on fastballs in the strike zone—will likely determine the game’s outcome.

Additionally, both bullpens will warrant close observation, as neither starter is expected to provide more than five innings given recent workloads and performance trends. Early offensive breaks could prove decisive if they encourage premature pitching changes and bullpen depletion.

Prediction

The Kiwoom Heroes’ superior velocity advantage, particularly Park Jun-hyeon’s 151 km/h fastball relative to Kim Gun-woo’s 143 km/h offering, combined with the Heroes’ recent head-to-head dominance (5-4 edge), positions the home side as the more probable victor. Kim Gun-woo’s concerning 6.32 ERA and 1.74 WHIP suggest vulnerability in early innings, which the Heroes should exploit given their offensive demonstration in the 18-11 victory over LG. While the Landers possess the capability to score runs, the combination of Kim’s inconsistency and the Heroes’ slight statistical advantages suggests a narrow home victory is most likely.