Aaron Cook's teammates
Aaron Cook has had 309 MLB teammates in 11 seasons with 2 clubs. He spent the most seasons beside Todd Helton (10), Clint Barmes (8), and Brian Fuentes (7). 3 Hall of Famers among them: Todd Helton, Larry Walker, and David Ortiz. Every season since 1876 is on file.
With the Colorado Rockies2002–2011 · 257 teammates
With the Boston Red Sox2012 · 55 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.