1979 MLB Losses by Team

The Toronto Blue Jays led all of MLB in losses in 1979, with 109, 1 ahead of the Oakland Athletics. The average across 26 MLB teams is 80.6.

Led all of MLB in 1979 Toronto Blue Jays 162 games

109 Losses 1 clear of Oakland Athletics

#	Team	League	G	L
1	Toronto Blue Jays	AL	162	109
2	Oakland Athletics	AL	162	108
3	New York Mets	NL	163	99
4	Seattle Mariners	AL	162	95
5	Atlanta Braves	NL	160	94
6	San Diego Padres	NL	161	93
7	San Francisco Giants	NL	162	91
8	Chicago White Sox	AL	159	86
9	Los Angeles Dodgers	NL	162	83
10	Chicago Cubs	NL	162	82
	MLB average			80.6
11	Cleveland Indians	AL	161	80
11	Minnesota Twins	AL	162	80
13	Texas Rangers	AL	162	79
14	Philadelphia Phillies	NL	163	78
15	Kansas City Royals	AL	162	77
16	Detroit Tigers	AL	160	76
16	St. Louis Cardinals	NL	163	76
18	California Angels	AL	162	74
19	Houston Astros	NL	162	73
20	Cincinnati Reds	NL	161	71
20	New York Yankees	AL	160	71
22	Boston Red Sox	AL	160	69
23	Milwaukee Brewers	AL	161	66
24	Montreal Expos	NL	160	65
25	Pittsburgh Pirates	NL	163	64
26	Baltimore Orioles	AL	159	57

A team's total is its players' numbers for the club added up, so a player traded mid-season counts for each team only what he did there. Rates such as ERA and batting average are worked out from the team's summed totals, not averaged across players.