Dae-Sung Koo

Born: 8/2/1969 in Daejeon, Daejeon, South Korea

MLB Debut: 2005-04-04 | Final Game: 2005-08-20

Bats: L | Throws: L | Height: 6'1" | Weight: 185 lbs

📊 Compare This Player 📈 View Career Timeline

Biography

Dae-Sung Koo, born in 1969, was a South Korean position player who made a brief appearance in Major League Baseball during the 2005 season. Koo's career spanned from April 4, 2005, to August 20, 2005, during which he played in 33 games. He became notable for being one of the few players from South Korea to compete in MLB at a time when the league was increasingly recognizing international talent, particularly from Asia. Throughout his time in the majors, Koo recorded 1 hit, achieving a batting average of 0.5. Despite not registering any home runs or RBIs, his presence in the league was significant as it represented the growing influence of Korean players in baseball. Koo's journey to Major League Baseball highlighted the globalization of the sport, paving the way for future generations of players from South Korea to find success in the league. His career, though short, contributed to the evolving narrative of baseball's international reach during the early 21st century.

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
0	0	33	0	0	0	0	23.0	22	10	2	13	23	3.91	0

Career ERA 3.91 vs. league average 4.29 across their career seasons — 8.8% better than league average.

Season-by-Season Pitching

Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2005	NYN	NL	0	0	33	0	0	0	0	23.0	22	10	13	23	3.91	4.29 (+9%)	106.3

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
33	2	1	1	1	0	0	0	0	0	1	0.500	0.500	1.000	1.500	0.0

Career AVG .500 vs. league average .264 across their career seasons — +89.1% above league average.

Career OBP .500 vs. league average .330 across their career seasons — +51.4% above league average.

Career SLG .000 vs. league average .419 across their career seasons — +138.7% above league average.

Career OPS 1.500 vs. league average 0.749 across their career seasons — +100.2% above league average.

Season-by-Season Batting

Year	Team	Lg	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2005	NYN	NL	33	2	1	1	1	0	0	0	0	0	1	0.500	—	—	—	—	0.0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	33	0	1	6	0	0

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
2005	NYN	P	33	0	1	6	0	0

Career Games by Position

Position	Games
Pitcher	33

Salary History

Year	Team	League	Salary
2005	NYN	NL	$450,000
Total Career Earnings			$450,000