What years did Del Mason play?

Del Mason played in Major League Baseball from 1904 to 1907.

Was Del Mason a pitcher?

Yes. Del Mason pitched in the major leagues, recording 5 wins and 65 strikeouts.

How many home runs did Del Mason hit?

Del Mason hit 0 career home runs with 8 hits.

Del Mason

Pitcher · Career Stats, Bio & Records (1904-1907)

W–L 5–16

ERA 3.72

WHIP 1.43

SO 65

Pitcher PIV -2818.1

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'0" / 160 lb
Born: 10/29/1883 in Newfane, NY, USA
Died: 12/31/1962 in Winter Park, FL, USA
MLB Debut: 1904-04-23
Last Game: 1907-08-16

Full name: Adelbert William Mason

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
5	16	32	21	16	1	0	191.0	199	79	4	74	65	3.72	-2818.1

Career ERA 3.72 vs. league average 2.61 across their career seasons — 42.6% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	W	L	G	GS	CG	SHO	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1904	WS1	AL	0	3	5	3	2	0	33.0	45	22	13	16	6.00	2.66 (-126%)	-451.3
1906	CIN	NL	0	1	2	1	1	0	12.0	10	6	6	4	4.50	2.68 (-68%)	-560.0
1907	CIN	NL	5	12	25	17	13	1	146.0	144	51	55	45	3.14	2.50 (-26%)	-1806.7
Career · 3 seasons			5	16	32	21	16	1	191.0	199	79	74	65	3.72	—	-2,818

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

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
32	64	1	8	0	0	0	3	0	2	8	.125	.152	.125	.277	0

Career AVG .125 vs. league average .247 across their career seasons — 49.3% below league average.

Career OBP .152 vs. league average .304 across their career seasons — 50.2% below league average.

Career SLG .125 vs. league average .315 across their career seasons — 60.3% below league average.

Career OPS .277 vs. league average .619 across their career seasons — 55.4% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	G	AB	R	H	RBI	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1904	WS1	AL	5	15	0	0	0	0	3	.000	—	—	—	—	0.0
1906	CIN	NL	2	5	0	0	0	0	0	.000	—	—	—	—	0.0
1907	CIN	NL	25	44	1	8	3	2	5	.182	—	—	—	—	0.0
Career · 3 seasons			32	64	1	8	3	2	8	.125	—	—	—	—	0

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 (64 games) →

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

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	13	18	1	1	0	1	.056
Away	19	46	0	7	0	2	.152

Pitching — Home / Away

Split	G	IP	H	ER	BB	SO	ERA
Home	13	70.2	71	9	22	26	1.15
Away	19	118.1	128	13	52	39	0.99

Last 10 Games — Batting

Date	Tm	Opp	Res	AB	H	RBI	SO
1907-08-16	CIN	NY1	L	4	2	2	1
1907-08-01	CIN	PHI	L	1	0	0	0
1907-07-29	CIN	PHI	L	0	0	0	0
1907-07-16	CIN	PHI	L	0	0	0	0
1907-07-11	CIN	NY1	L	3	1	0	0
1907-07-06	CIN	BSN	L	1	0	0	0
1907-07-02	CIN	CHC	L	0	0	0	0
1907-06-30	CIN	STL	W	0	0	0	0
1907-06-30	CIN	STL	L	0	0	0	0
1907-06-27	CIN	STL	W	2	0	0	0

Last 10 Games — Pitching

Date	Tm	Opp	Dec	IP	H	R	BB	SO	HR
1907-08-16	CIN	NY1	—	9.0	8	4	3	6	0
1907-08-01	CIN	PHI	—	4.0	3	2	2	1	0
1907-07-29	CIN	PHI	—	1.0	0	0	1	0	0
1907-07-16	CIN	PHI	—	2.0	2	1	3	1	0
1907-07-11	CIN	NY1	L	8.0	14	10	4	2	2
1907-07-06	CIN	BSN	—	3.0	6	3	1	1	0
1907-07-02	CIN	CHC	—	1.0	1	1	1	0	0
1907-06-30	CIN	STL	—	1.0	2	1	0	1	0
1907-06-30	CIN	STL	—	1.0	2	3	0	0	0
1907-06-27	CIN	STL	W	4.2	4	0	1	0	0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	32	21	10	52	1	4

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1904	WS1	P	5	3	3	6	0	0
1906	CIN	P	2	1	1	2	0	0
1907	CIN	P	25	17	6	44	1	4

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
Pitcher	32

College History

School Name	City	State	Years Attended
Rollins College	Winter Park	FL	1908, 1910

Frequently Asked Questions about Del Mason

What years did Del Mason play?: Del Mason played in Major League Baseball from 1904 to 1907.
Was Del Mason a pitcher?: Yes. Del Mason pitched in the major leagues, recording 5 wins and 65 strikeouts.
How many home runs did Del Mason hit?: Del Mason hit 0 career home runs with 8 hits.