The question is, is this meaningful or classifiable. Many other animal species have been around much longer or they have shorter life spans, so they've had many more opportunities to accumulate genetic variants. Penguins, for example, have twice as much genetic diversity as humans. Fruit flies have 10 times as much.
Who wore number 20 for Boston bruins? According to azhockey.com, the number 20 has been worn by 23 different Bruins players. In this decade, Darren Van Impe, Eric Manlow, Martin Lapointe, and Wayne Primeau have all worn 20. Players to wear the jersey in the 1980s-90s were Al Secord, Mike O'Connell, Dwight Foster, Tommy Lehmann, Bob...
Elliott Sadler was hired in 2003, and Yates brought M&M's in as the sponsor, replacing longtime sponsor Havoline. Yates also changed the car's number from 28 to 38. Sadler collected two victories for the team, and finished a career-best 9th in points in 2004. On August 14, 2006, Sadler left for Evernham Motorsports to drive the #19.