For single seasons, For 1988, Played 50% of games at C, 1B, 2B, 3B, SS, LF, CF, RF, DH, or OF, (requiring BA≥.3), sorted by greatest number of players matching criteria

NOTE on creating Positional Leaderboards

 Year Lg Team                              Number Players Matching
 ----+--+---------------------------------+------+----------------------------------------- 
 1988 AL Minnesota Twins                        4 Kirby Puckett / Kent Hrbek / Gary Gaetti / John Moses 
 1988 AL New York Yankees                       4 Dave Winfield / Don Mattingly / Rickey Henderson / Claudell Washington 
 1988 AL Oakland Athletics                      4 Jose Canseco / Dave Henderson / Matt Sinatro / Felix Jose 
 1988 NL Montreal Expos                         4 Andres Galarraga / Wallace Johnson / Tracy Jones / Jeff Huson 
 1988 AL Boston Red Sox                         3 Mike Greenwell / Wade Boggs / Carlos Quintana 
 1988 NL Chicago Cubs                           3 Andre Dawson / Rafael Palmeiro / Dave Meier 
 1988 AL Kansas City Royals                     3 George Brett / Kevin Seitzer / Pat Tabler 
 1988 AL Milwaukee Brewers                      3 Robin Yount / Paul Molitor / Steve Kiefer 
 1988 NL New York Mets                          3 Wally Backman / Gregg Jefferies / Mark Carreon 
 1988 NL Atlanta Braves                         2 Gerald Perry / Tommy Gregg                
 1988 AL Cleveland Indians                      2 Julio Franco / Terry Francona             
 1988 AL Detroit Tigers                         2 Alan Trammell / Torey Lovullo             
 1988 NL San Diego Padres                       2 Tony Gwynn / Bip Roberts                  
 1988 AL Seattle Mariners                       2 Mario Diaz / John Rabb                    
 1988 NL San Francisco Giants                   2 Donell Nixon / Angel Escobar              
 1988 AL Toronto Blue Jays                      2 Rance Mulliniks / Rob Ducey               
 1988 AL California Angels                      1 Johnny Ray                                
 1988 AL Chicago White Sox                      1 Dave Gallagher                            
 1988 NL Cincinnati Reds                        1 Lenny Harris                              
 1988 NL Houston Astros                         1 Terry Puhl                                
 1988 NL Philadelphia Phillies                  1 Ricky Jordan                              
 1988 NL Pittsburgh Pirates                     1 Benny Distefano                           
 1988 NL St. Louis Cardinals                    1 Rod Booker                                

Seasons/Careers found: 23.

 Photos from the George Grantham Bain Collection at the Library of Congress.