Byron McLaughlin

Pitcher · Career Stats, Bio & Records (1977-1983)

Byron McLaughlin was a pitcher who played in Major League Baseball from 1977 to 1983 for the Seattle Mariners and the California Angels, a span of 7 seasons. Across 129 career appearances, he went 16-25 with a 5.11 ERA and 248 strikeouts.

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

W–L 16–25
ERA 5.11
WHIP 1.52
SO 248
Pitcher PIV -5414.7
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'1" / 175 lb
Born
9/29/1955 in Van Nuys, CA, USA
MLB Debut
1977-09-18
Last Game
1983-09-27

Full name: Byron Scott McLaughlin

Career Pitching Statistics

Byron McLaughlin — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
16 25 129 35 5 0 16 378.1 403 215 47 171 248 5.11 -5414.7

Career ERA 5.11 vs. league average 3.88 across their career seasons — 31.8% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

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

Byron McLaughlin — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
129 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

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.

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

Batting — Home / Away

Byron McLaughlin — Batting — Home / Away
SplitGABRHHRRBIAVG
Home6300000—
Away6600000—

Pitching — Home / Away

Byron McLaughlin — Pitching — Home / Away
SplitGIPHERBBSOERA
Home63194.1199107991374.96
Away66184.0204108721115.28

Last 10 Games — Pitching

Byron McLaughlin — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1983-09-27 LAATOR W 6.0411231
1983-09-19 LAAKCR L 1.0122110
1983-09-17 LAATEX — 2.2000230
1983-09-13 LAAKCR — 2.0100010
1983-09-10 LAACHW — 0.1111000
1983-09-05 LAATOR — 3.1311140
1983-07-22 LAADET L 0.2544100
1983-07-17 LAABAL L 3.0877430
1983-07-12 LAADET — 7.0944360
1983-07-09 LAABOS — 0.1111000

Fielding Statistics

Career Fielding Totals by Position

Byron McLaughlin — Career Fielding Totals by Position
Position G GS PO A E DP
P 129 35 10 35 4 1

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Byron McLaughlin — Career Games by Position
Position Games
Pitcher 129

Most Similar Players

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

Career Spans

Byron McLaughlin (highlighted) compared to peers across the same era.

  1. 98
    Manny Aybar
    17-18, 5.11 ERA
  2. 87
    Frank Wills
    22-26, 5.06 ERA
  3. 87
    Dennis Powell
    11-22, 4.95 ERA
  4. 86
    Rich Yett
    22-24, 4.95 ERA
  5. 83
    Mike Gardiner
    17-27, 5.21 ERA
  6. 79
    Sean Lowe
    23-15, 4.95 ERA

Byron McLaughlin: the record in brief

Byron McLaughlin played a first major league game on September 18, 1977 and a last one on September 27, 1983. The season rows list, in order, the Seattle Mariners (1977 to 1980) and the California Angels (1983). McLaughlin played primarily as a pitcher and threw and hit right-handed. Born on September 29, 1955, in Van Nuys, CA, USA, McLaughlin was listed at 6-foot-1 and 175 pounds. The given name on file is Byron Scott McLaughlin.

McLaughlin's career pitching line is 16 wins, 25 losses and a 5.11 ERA over 129 appearances. The totals include 248 strikeouts and 16 saves. Against a 3.88 league ERA for the same seasons, the 5.11 mark was 31.8% worse. The best win total was 7, in 1979. McLaughlin struck out 87 batters in 1978, a career high. McLaughlin saved 14 games in 1979, the season high. 1979 was McLaughlin's sharpest full season, a 4.22 ERA against the league's 4.00.

Every defensive appearance on record for McLaughlin, 129 games, came at pitcher. On the mound, the fielding record shows 4 errors alongside 10 putouts and 35 assists.

Retrosheet box scores cover 258 of McLaughlin's games, and the full game log is linked from the splits section.

The closest statistical comparisons on the page are Manny Aybar, Frank Wills, and Dennis Powell.

Frequently Asked Questions about Byron McLaughlin

What years did Byron McLaughlin play?
Byron McLaughlin played in Major League Baseball from 1977 to 1983.
Was Byron McLaughlin a pitcher?
Yes. Byron McLaughlin pitched in the major leagues, recording 16 wins and 248 strikeouts.
What was Byron McLaughlin's career ERA?
Byron McLaughlin finished with a 5.11 career ERA, going 16-25 with 248 strikeouts.
How many strikeouts did Byron McLaughlin have?
Byron McLaughlin recorded 248 career strikeouts.
Is Byron McLaughlin in the Hall of Fame?
No. Byron McLaughlin has not been inducted into the National Baseball Hall of Fame.
What teams did Byron McLaughlin play for?
Byron McLaughlin played for the Seattle Mariners and the California Angels.