Jack Onslow's teammates

Jack Onslow has had 87 MLB teammates in 2 seasons with 2 clubs. 4 Hall of Famers among them: Sam Crawford, Ty Cobb, George Kelly, and Ross Youngs. Every season since 1876 is on file.

With the Detroit Tigers1912 · 55 teammates

With the San Francisco Giants1917 · 32 teammates

A teammate is anyone on the same club in the same season, whether or not their games overlapped; a player traded mid-season counts with both clubs. Most seasons together first.