Born: October 30, 1916 in Alexandria, VA
Died: March 13, 1995 in Baltimore, MD
Position: P/1b
Bats: Right Throws: Right
HT: 5-9 WT: 170 lb.
Played four years in Puerto Rico, three with Aguadilla and one with Santurce…pitcher with most complete games in three consecutive season with 62. 1939-40 (24), 1940-41(16) y 1941-42 (22)..In 1940, against Mayagüez, he struckout 15 batters, and had two in four at bats, winning, 10-7…on February, 4, 1940, in the first of a double header, Day batted two home runs with 5 rbi and in the second game, got a 2-1 victory against Ponce…on January 7, 1940, against Santurce, he struckout 19 in 13 innings…holds record for most strikeouts in three accumulative seasons with 497…in four ocassions he struck out 10+ in a game:
| Date | Team | K´s | Note |
| 01/07/40 | Santurce | 19 | [1] |
| 01/21/40 | Mayagüez | 15 | |
| 1/11/42 | Santurce | 15 | |
| 2/23/41 | Santurce | 14 |
[1] 13 innings
In 1939-40, Aguadilla as a team hit three home runs and all of them where by Leon Day…named to the Hall of Fame in 1995, he is the only inductee with a Puerto Rico team cap, Aguadilla…he is also a member of the Puerto Rico Professional Baseball Hall of Fame since 1993…recipient of the prestigious Francisco Coimbre Award in 2021.
Photo colorization: Joe Torres