Player notes: Walker was an accomplished hitter with limited power during the 40s and early 50s. He won the NL batting title (and also led the league in triples) in 1947, when he started the season with the Cardinals, but played most of the year with the Phillies. His trade from St. Louis to Philadelphia on May 3 of that year was the first of four times he would be traded during a three year span from 1947 to 1949.

Walker played in three World Series with the Cardinals (1942, 1943, 1946). It was Walker's hit which drove in Enos Slaughter from first base for the decisive run in the bottom of the eighth inning of game 7 in the 1946 Series, a play that made Slaughter famous and broke the Red Sox' hearts. He batter .416 and drove in six runs during that World Series.

Walker's career numbers are not that impressive, but it is worth noting that he lost some prime years to military service in World War II. He was a solid hitter during his prime, however, and posted a lifetime .296 average. He also managed for a number of years in the 50s and 60s.

The nickname "The Hat" came from his habit of adjusting his cap between pitches.