1980 Seattle Mariners season

The 1980 Seattle Mariners season was their fourth since the franchise creation, and ended the season finishing seventh in the American League West with a record of.

Offseason

November 1, 1979: Ruppert Jones and Jim Lewis were traded by the Mariners to the New York Yankees for Jim Beattie, Rick Anderson, Juan Beníquez and Jerry Narron.
December 6, 1979: Rafael Vásquez, Rob Pietroburgo and a player to be named later were traded by the Mariners to the Cleveland Indians for Ted Cox. The Mariners completed the deal by sending Larry Anderson to the Indians on March 29, 1980.
December 20, 1979: Willie Horton was signed as a free agent by the Mariners.
January 11, 1980: 1980 Major League Baseball draft
*Bill Mooneyham was drafted by the Mariners in the 1st round, but did not sign.
*Dan Firova was drafted by the Mariners in the 2nd round.

Regular season

September 30, 1980: While pitching for the Mariners against the Kansas City Royals, Rick Honeycutt taped a thumbtack to his finger to cut the ball. Royals baserunner Willie Wilson spotted the tack from second base. The umpires investigated and not only found the tack, but also a gash in Honeycutt's forehead. Honeycutt was ejected from the game, suspended for 10 games, and fined.

Notable transactions

April 9, 1980: Dave Heaverlo was selected off waivers by the Mariners from the Oakland Athletics.
June 14, 1980: Paul Serna was signed by the Mariners as an amateur free agent.
June 16, 1980: Casey Parsons was purchased by the Mariners from the San Francisco Giants.

Draft picks

June 3, 1980: 1980 Major League Baseball draft
*Darnell Coles was drafted by the Mariners in the 1st round. Player signed June 13, 1980.
*John Moses was drafted by the Mariners in the 16th round.
*Ernest Riles was drafted by the Mariners in the 21st round, but did not sign.

Player stats

Batting

Starters by position

Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in

Pos	Player	G	AB	H	Avg.	HR	RBI
C	Larry Cox	105	243	49	.202	4	20
1B	Bruce Bochte	148	520	156	.300	13	78
2B	Julio Cruz	119	422	88	.209	2	16
SS	Mario Mendoza	114	277	68	.245	2	14
3B		83	247	60	.243	2	23
LF		146	531	146	.275	11	71
CF		70	237	54	.228	6	21
RF	Leon Roberts	119	374	94	.251	10	33
DH		97	335	74	.221	8	36

Other batters

Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in

Player	G	AB	H	Avg.	HR	RBI
Tom Paciorek	126	418	114	.273	15	59
Joe Simpson	129	365	91	.249	3	34
Jim Anderson	116	317	72	.227	8	30
Larry Milbourne	106	258	68	.264	0	26
Rod Craig	70	240	57	.238	3	20
Bill Stein	67	198	53	.268	5	27
	48	107	21	.196	4	18
Bob Stinson	48	107	23	.215	1	8
Dave Edler	28	89	20	.225	3	9
Reggie Walton	31	83	23	.277	2	9
Marc Hill	29	70	16	.229	2	9
Kim Allen	23	51	12	.235	0	3

Pitching

Starting pitchers

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Player	G	IP	W	L	ERA	SO
Floyd Bannister	32	217.2	9	13	3.47	155
	31	215.0	12	12	4.10	78
	30	203.1	10	17	3.94	79
	33	187.1	5	15	4.85	67
Gary Wheelock	1	3.0	0	0	6.00	1

Other pitchers

Note: G = Games; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Player	G	IP	W	L	ERA	SO
Rob Dressler	30	149.1	4	10	3.98	50
Mike Parrott	27	94.0	1	16	7.28	53
	5	9.2	0	0	3.72	7

Relief pitchers

Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Player	G	W	L	SV	ERA	SO
Shane Rawley	59	7	7	13	3.33	68
	60	6	3	4	3.89	42
Byron McLaughlin	45	3	6	2	6.85	41
	37	2	3	3	4.37	47
Manny Sarmiento	9	0	1	1	3.68	15

Farm system

LEAGUE CO-CHAMPIONS: Bellingham