Lou Sleater was a MLB pitcher who played from 1950 to 1952 and from 1955 to 1958. He was a knuckleball specialist and played for a total of six major league teams in his seven-year career. Overall, Sleater went 12–18 with a 4.70 ERA. Lou Sleater has hand signed this Washington Senators Vintage B&W 8x10 Photo. Bold Blue Full Signature with very minor smudge sold as is. Athlon Sports Collectibles Certificate of Authenticity. Signed at NATSFEST 2000. Image of actual item in stock - as shown