1980 Seattle Mariners season

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 (minors) 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 (secondary phase)
  • Bill Mooneyham was drafted by the Mariners in the 1st round (13th pick), 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.

Season standings

Record vs. opponents

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 (6th pick). 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.

Roster

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

Other batters

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

Pitching

Starting pitchers

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

Other pitchers

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

Relief pitchers

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

Farm system

LEAGUE CO-CHAMPIONS: Bellingham

Notes

References

• 1980 Seattle Mariners at Baseball Reference
• 1980 Seattle Mariners team page at www.baseball-almanac.com

References

1. [https://www.baseball-reference.com/b/beattji01.shtml Jim Beattie page at Baseball Reference]
2. [https://www.baseball-reference.com/v/vasqura01.shtml Rafael Vásquez page at Baseball Reference]
3. [https://www.baseball-reference.com/h/hortowi01.shtml Willie Horton page at Baseball Reference]
4. [https://www.baseball-reference.com/m/moonebi01.shtml Bill Mooneyham page at Baseball Reference]
5. [https://www.baseball-reference.com/f/firovda01.shtml Dan Firova page at Baseball Reference]
6. "ESPN.com - Page2 - Biggest cheaters in baseball".
7. [https://www.baseball-reference.com/h/heaveda01.shtml Dave Heaverlo page at Baseball Reference]
8. [https://www.baseball-reference.com/s/sernapa01.shtml Paul Serna page at Baseball Reference]
9. [https://www.baseball-reference.com/p/parsoca01.shtml Casey Parsons page at Baseball Reference]
10. [https://www.baseball-reference.com/c/colesda01.shtml Darnell Coles page at Baseball Reference]
11. [https://www.baseball-reference.com/m/mosesjo01.shtml John Moses page at Baseball Reference]
12. [https://www.baseball-reference.com/r/rileser01.shtml Ernest Riles page at Baseball Reference]
13. Johnson, Lloyd, and Wolff, Miles, ed., ''The Encyclopedia of Minor League Baseball'', 2nd and 3rd editions. Durham, North Carolina: Baseball America, 1997 and 2007