KBO Preview: Samsung Lions vs Kiwoom Heroes | July 23 Starting Pitchers & Predictions

Yang Chang-seop

Away Starter | Samsung Lions

8W-0L | ERA 4.07 | 66 1/3 IP | 55K

Ha Young-min

Home Starter | Kiwoom Heroes

4W-5L | ERA 4.35 | 72 1/3 IP | 62K

Starting Pitcher Breakdown

The Samsung Lions will deploy Yang Chang-seop, their ace and the season’s dominant force on the mound. With an impressive 8-0 record and 4.07 ERA across 66⅓ innings, Yang Chang-seop has established himself as one of the Korean Baseball Organization’s most reliable starters. His fastball sits consistently at 144 km/h and constitutes 28% of his pitch arsenal, while his slider (129 km/h, 25% usage) serves as an effective out pitch. The two-seamer at 141 km/h rounds out his primary offerings at 20% usage. Yang Chang-seop maintains excellent command with a 1.34 WHIP, and his strikeout-to-walk ratio of 55:20 demonstrates superior control. Against Kiwoom specifically, he has shown mixed results in his last five starts, alternating between dominant victories (8-6 win, 5-0 shutout) and unexpected defeats, suggesting some vulnerability against this particular opponent.

Kiwoom Heroes counter with Ha Young-min, a left-handed starter operating at considerably lower confidence levels. Ha Young-min’s 4-5 record with a 4.35 ERA across 72⅓ innings indicates a pitcher still searching for consistency this season. His fastball velocity matches Yang Chang-seop at 144 km/h but comprises a higher 33% of his pitch distribution, potentially leaving him reliant on velocity rather than pitch sequencing diversity. His forkball at 131 km/h (28% usage) and sweeper at 124 km/h (16% usage) complete a more limited arsenal. The 1.41 WHIP and 62:33 strikeout-to-walk ratio suggest Ha Young-min struggles with command reliability, particularly concerning against Samsung’s disciplined hitters. However, his recent head-to-head record against Samsung (1-1 in his last five starts) provides modest encouragement for the home side.

Team Form and Recent Performance

Samsung Lions occupy the Korean Baseball Organization’s premier position with a commanding 54-2-34 record, establishing themselves as the season’s dominant force. This extraordinary win-loss ratio reflects not merely superior talent but sustained excellence across numerous games. The Lions’ recent performance against Lotte demonstrates their ability to handle quality opposition, evidenced by consecutive victories (5-0, 4-1) sandwiched around a single defeat. Their split against Kiwoom in the last five games shows appropriate results, with two victories and two defeats, suggesting the Lions view this matchup without complacency despite their superior overall position.

Kiwoom Heroes struggle significantly at 33-2-58, languishing in tenth place with mathematical elimination from postseason contention increasingly probable. The team’s recent form offers minimal encouragement: three victories in their last five games (against Hanwha primarily) represent marginal improvement from an otherwise dismal season. The drawn game against Hanwha and subsequent pair of victories suggest Kiwoom can still execute competitively, but consistency remains elusive. Playing at home at Gocheok Sky Dome provides the Heroes their only tangible advantage, as Samsung will endure travel fatigue from away duties.

Head-to-Head History

The season series favors Samsung Lions decisively at 7-4, establishing clear superiority in direct competition. This record encompasses not merely superior overall quality but specific tactical advantages Samsung has developed against Kiwoom’s approach. The current matchup represents Samsung’s opportunity to extend their advantage while Kiwoom seeks to narrow the gap and build momentum toward season’s conclusion. Samsung’s 64% winning percentage in this specific matchup aligns with their overall performance trajectory, suggesting systematic rather than coincidental dominance.

Key Matchup to Watch

The critical battle will feature Samsung’s aggressive offensive approach against Ha Young-min’s inconsistent command. Ha Young-min’s elevated walk rate (33 walks in 72⅓ innings) provides Samsung’s hitters the opportunity to work counts and reach base through discipline rather than merely power hitting. With a fastball-heavy distribution (33%), Ha Young-min risks predictability against a disciplined Samsung lineup that has feasted on similar approaches throughout the season. If Samsung’s batters force Ha Young-min into elevated pitch counts early, Kiwoom’s bullpen—already strained from carrying the team’s weak starting pitching—will face premature engagement.

Conversely, Kiwoom must execute disciplined at-bats against Yang Chang-seop’s superior command. Yang Chang-seop’s low walk rate demands that Kiwoom’s hitters avoid chasing slider pitches outside the strike zone, a particular vulnerability for struggling teams. Contact-oriented approaches may prove more effective than attempting to overcome Yang Chang-seop’s stuff with power swings.

Prediction

Samsung Lions enter as heavy favorites despite away assignment, given their organizational superiority, Yang Chang-seop’s dominant season performance, and established head-to-head dominance. While Kiwoom has shown recent competence and benefits from home-field advantage, the talent disparity proves insurmountable. Samsung’s recent split against Kiwoom suggests some variability, yet their overall season success indicates they will prove too formidable for a tenth-place team. Yang Chang-seop should manage Kiwoom’s lineup effectively, while Samsung’s disciplined offense will capitalize on Ha Young-min’s command inconsistencies. The Lions’ superior pitching depth will prove decisive should the starter encounter difficulty.