- Card series: Pioneer Portraits II: 1875-1899
- City: Pittsburgh
- Team: Pirates
- League: National League
Harmar Denny McKnight (1848-1900) was an owner/mgr in the early tumultuous days as the AA sparred with the NL. McKnight founded the Pittsburgh Alleghenys in the AA in 1881. The club was crippled in 1890 by the Player’s League recruiting most of the team. Undaunted, McKnight took over that short-lived franchise and established the Pirates in the NL.
- Was president of the American Association from 1882-86
- Managed the Alleghenys (Pirates) in 1884