Phillies' All-Time Retired Numbers

The Phillies have retired five numbers and the letter "P" (in addition to No. 42 for Jackie Robinson). Which number (or letter) will be next?

#1

Richie Ashburn, OF: No. 1
Number retired: Aug. 24, 1979
Photofile/MLB Photos

#14

Jim Bunning, RHP: No. 14
Number retired: April 6, 2001
National Baseball Hall of Fame Library/MLB

#20

Mike Schmidt, 3B: No. 20
Number retired: May 26, 1990
MLB Photos

#32

Steve Carlton, LHP: No. 32
Number retired: July 29, 1989
Louis Requena/MLB Photos

#36

Robin Roberts, RHP: No. 36
Number retired: June 18, 2008
Photofile/MLB Photos

"P"

Grover Cleveland Alexander, RHP: the letter "P"
Number retired: April 6, 2001
National Baseball Hall of Fame Library/MLB

"P"

Chuck Klein, OF: the letter "P"
Number retired: April 6, 2001
National Baseball Hall of Fame Library/MLB
* Note: On April 15, 1997, the Phillies joined every team in MLB in retiring No. 42 in honor of Jackie Robinson.