1888 MLB Losses by Team

The Kansas City Cowboys led all of MLB in losses in 1888, with 89, 2 ahead of the Louisville Colonels. The average across 16 MLB teams is 66.8.

#	Team	League	G	L
1	Kansas City Cowboys	AA	132	89
2	Louisville Colonels	AA	139	87
3	Washington Nationals	NL	136	86
4	Indianapolis Hoosiers	NL	136	85
5	Cleveland Blues	AA	135	82
6	Baltimore Orioles	AA	137	80
7	Pittsburg Alleghenys	NL	138	67
	MLB average			66.8
8	Boston Beaneaters	NL	137	64
9	Detroit Wolverines	NL	134	63
10	Philadelphia Quakers	NL	131	61
11	Chicago White Stockings	NL	135	57
12	Cincinnati Red Stockings	AA	137	54
13	Brooklyn Bridegrooms	AA	143	52
13	Philadelphia Athletics	AA	136	52
15	New York Giants	NL	137	47
16	St. Louis Browns	AA	137	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.