What years did Frank Castillo play?

Frank Castillo played in Major League Baseball from 1991 to 2005.

Was Frank Castillo a pitcher?

Yes. Frank Castillo pitched in the major leagues, recording 82 wins and 1101 strikeouts.

How many home runs did Frank Castillo hit?

Frank Castillo hit 0 career home runs with 37 hits.

What was Frank Castillo's career batting average?

Frank Castillo batted .109 over his career, with 37 hits in 338 at bats.

How many RBI did Frank Castillo have?

Frank Castillo drove in 13 runs in his career.

What was Frank Castillo's career ERA?

Frank Castillo finished with a 4.56 career ERA, going 82-104 with 1,101 strikeouts.

Frank Castillo

Pitcher · Career Stats, Bio & Records (1991-2005)

Frank Castillo was a pitcher who played in Major League Baseball from 1991 to 2005 for 6 teams, including the Chicago Cubs, a span of 15 seasons. Across 297 career appearances, he went 82-104 with a 4.56 ERA and 1,101 strikeouts. He also batted .109 with 0 home runs. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 2542.7.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated September 9, 2026

W–L 82–104

ERA 4.56

WHIP 1.36

SO 1,101

Pitcher PIV 2542.7

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'1" / 180 lb
Born: 4/1/1969 in El Paso, TX, USA
Died: 7/28/2013 in Bartlett Lake, AZ, USA
MLB Debut: 1991-06-27
Last Game: 2005-05-26

Full name: Frank Anthony Castillo

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Career Pitching Statistics

Frank Castillo — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
82	104	297	268	10	3	2	1595.3	1,660	809	190	506	1,101	4.56	2542.7

Career ERA 4.56 vs. league average 4.35 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Frank Castillo Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1991	CHN	NL	6	7	18	18	4	0	0	111.7	107	54	33	73	4.35	3.91 (-11%)	2554.0
1992	CHN	NL	10	11	33	33	0	0	0	205.3	179	79	63	135	3.46	3.75 (+8%)	354.2
1993	CHN	NL	5	8	29	25	2	0	0	141.3	162	76	39	84	4.84	4.19 (-15%)	-1652.0
1994	CHN	NL	2	1	4	4	1	0	0	23.0	25	11	5	19	4.30	4.51 (+5%)	395.7
1995	CHN	NL	11	10	29	29	2	2	0	188.0	179	67	52	135	3.21	4.45 (+28%)	1646.0
1996	CHN	NL	7	16	33	33	1	1	0	182.3	209	107	46	139	5.28	4.61 (-15%)	374.6
1997	CHN	NL	6	9	20	19	0	0	0	98.0	113	59	44	67	5.42	4.39 (-23%)	-38.4
1997	COL	NL	6	3	14	14	0	0	0	86.3	107	52	25	59	5.42	4.39 (-24%)	-1661.8
1998	DET	AL	3	9	27	19	0	0	1	116.0	150	88	44	81	6.83	4.43 (-54%)	-1401.8
2000	TOR	AL	10	5	25	24	0	0	0	138.0	112	55	56	104	3.59	4.77 (+25%)	428.9
2001	BOS	AL	10	9	26	26	0	0	0	136.7	138	64	35	89	4.21	4.42 (+5%)	1619.6
2002	BOS	AL	6	15	36	23	0	0	1	163.3	174	92	58	112	5.07	4.28 (-18%)	-76.3
2004	BOS	AL	0	0	2	0	0	0	0	1.0	1	0	1	0	0.00	—	0.0
2005	FLO	NL	0	1	1	1	0	0	0	4.3	4	5	5	4	10.38	—	0.0
Career · 14 seasons			82	104	297	268	10	3	2	1,595.1	1,660	809	506	1,101	4.56	—	2,543

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Frank Castillo — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
297	338	7	37	0	0	0	13	0	13	111	.109	.142	.109	.252	-2,032

Career AVG .109 vs. league average .265 across their career seasons — 58.7% below league average.

Career OBP .142 vs. league average .334 across their career seasons — 57.5% below league average.

Career SLG .109 vs. league average .416 across their career seasons — 73.7% below league average.

Career OPS .252 vs. league average .750 across their career seasons — 66.5% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Frank Castillo Stats, Bio & Career Records
Year	Team	Lg	G	AB	R	H	RBI	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1991	CHN	NL	18	35	0	5	1	2	13	.143	—	—	—	—	0.0
1992	CHN	NL	33	65	3	6	1	3	21	.092	.255 (-64%)	.322 (-59%)	.377 (-76%)	.699 (-68%)	-678.9
1993	CHN	NL	29	43	1	7	3	1	3	.163	—	—	—	—	0.0
1994	CHN	NL	4	9	0	0	0	1	4	.000	—	—	—	—	0.0
1995	CHN	NL	29	59	1	6	1	3	25	.102	.266 (-62%)	.337 (-57%)	.417 (-76%)	.755 (-67%)	-655.2
1996	CHN	NL	33	57	1	5	2	2	21	.088	.269 (-67%)	.340 (-65%)	.426 (-79%)	.767 (-73%)	-697.7
1997	CHN	NL	20	33	1	5	3	0	9	.152	—	—	—	—	0.0
1997	COL	NL	14	25	0	2	2	1	10	.080	—	—	—	—	0.0
1998	DET	AL	27	1	0	0	0	0	0	.000	—	—	—	—	0.0
2000	TOR	AL	25	7	0	1	0	0	3	.143	—	—	—	—	0.0
2001	BOS	AL	26	2	0	0	0	0	1	.000	—	—	—	—	0.0
2002	BOS	AL	36	1	0	0	0	0	1	.000	—	—	—	—	0.0
2004	BOS	AL	2	0	0	0	0	0	0	.000	—	—	—	—	0.0
2005	FLO	NL	1	1	0	0	0	0	0	.000	—	—	—	—	0.0
Career · 14 seasons			297	338	7	37	13	13	111	.109	—	—	—	—	-2,032

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (594 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Frank Castillo — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	152	158	5	11	0	7	.070
Away	145	180	2	26	0	6	.144

Pitching — Home / Away

Frank Castillo — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	152	829.0	872	418	258	593	4.54
Away	145	766.1	788	391	248	508	4.59

Last 10 Games — Batting

Frank Castillo — Last 10 Games — Batting
Date	Tm	Opp	Res	AB
2005-05-26	MIA	NYN	L	1
2004-04-18	BOS	NYY	L	0
2004-04-15	BOS	BAL	L	0
2002-09-29	BOS	TBR	W	0
2002-09-26	BOS	CHW	L	0
2002-09-23	BOS	BAL	W	0
2002-09-16	BOS	CLE	L	0
2002-09-13	BOS	BAL	L	0
2002-09-08	BOS	TOR	L	0
2002-09-03	BOS	NYY	L	0

Last 10 Games — Pitching

Frank Castillo — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2005-05-26	MIA	NYN	L	4.1	4	5	5	5	4	0
2004-04-18	BOS	NYY	—	0.1	0	0	0	1	0	0
2004-04-15	BOS	BAL	—	0.2	1	0	0	0	0	0
2002-09-29	BOS	TBR	W	2.2	4	1	1	1	3	0
2002-09-26	BOS	CHW	—	0.2	0	0	0	0	2	0
2002-09-23	BOS	BAL	—	4.0	0	0	0	1	3	0
2002-09-16	BOS	CLE	L	5.2	5	4	4	3	7	0
2002-09-13	BOS	BAL	—	2.0	1	0	0	1	0	0
2002-09-08	BOS	TOR	L	6.2	9	8	5	2	8	1
2002-09-03	BOS	NYY	L	6.0	5	3	2	4	4	1

Fielding Statistics

Career Fielding Totals by Position

Frank Castillo — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	297	268	102	217	11	12

Season-by-Season Fielding

Frank Castillo — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1991	CHN	P	18	18	6	16	0	0
1992	CHN	P	33	33	10	28	1	2
1993	CHN	P	29	25	7	34	1	1
1994	CHN	P	4	4	1	3	2	0
1995	CHN	P	29	29	11	24	2	0
1996	CHN	P	33	33	18	23	3	2
1997	CHN	P	20	19	7	13	1	0
1997	COL	P	14	14	0	9	0	1
1998	DET	P	27	19	8	14	0	1
2000	TOR	P	25	24	8	19	1	4
2001	BOS	P	26	26	16	16	0	1
2002	BOS	P	36	23	10	18	0	0
2004	BOS	P	2	0	0	0	0	0
2005	FLO	P	1	1	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Frank Castillo Stats, Bio & Career Records
Position	Games
Pitcher	297

Salary History

Frank Castillo — Salary History
Year	Team	League	Salary
2002	BOS	AL	$2,250,000
2001	BOS	AL	$2,250,000
2000	TOR	AL	$375,000
1998	DET	AL	$1,750,000
1997	CHN	NL	$1,740,000
1996	CHN	NL	$1,600,000
1995	CHN	NL	$250,000
1994	CHN	NL	$225,000
1993	CHN	NL	$250,000
1992	CHN	NL	$150,000
1990	CHN	NL	$100,000
Total Career Earnings			$10,940,000

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Frank Castillo (highlighted) compared to peers across the same era.

Frequently Asked Questions about Frank Castillo

What years did Frank Castillo play?: Frank Castillo played in Major League Baseball from 1991 to 2005.
Was Frank Castillo a pitcher?: Yes. Frank Castillo pitched in the major leagues, recording 82 wins and 1101 strikeouts.
How many home runs did Frank Castillo hit?: Frank Castillo hit 0 career home runs with 37 hits.
What was Frank Castillo's career batting average?: Frank Castillo batted .109 over his career, with 37 hits in 338 at bats.
How many RBI did Frank Castillo have?: Frank Castillo drove in 13 runs in his career.
What was Frank Castillo's career ERA?: Frank Castillo finished with a 4.56 career ERA, going 82-104 with 1,101 strikeouts.