1889 MLB Losses by Team

The Louisville Colonels led all of MLB in losses in 1889, with 111, 28 ahead of the Washington Nationals. The average across 16 MLB teams is 66.4.

#	Team	League	G	L
1	Louisville Colonels	AA	140	111
2	Washington Nationals	NL	127	83
3	Kansas City Cowboys	AA	139	82
4	Columbus Solons	AA	139	77
5	Indianapolis Hoosiers	NL	135	75
6	Cleveland Spiders	NL	136	72
7	Pittsburg Alleghenys	NL	134	71
	MLB average			66.4
8	Baltimore Orioles	AA	139	65
8	Chicago White Stockings	NL	136	65
10	Philadelphia Quakers	NL	130	64
11	Cincinnati Red Stockings	AA	141	63
12	Philadelphia Athletics	AA	138	58
13	Boston Beaneaters	NL	133	45
14	Brooklyn Bridegrooms	AA	138	44
14	St. Louis Browns	AA	140	44
16	New York Giants	NL	131	43

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.