Pat Hentgen is an American former professional baseball pitcher, and currently a special assistant with the Toronto Blue Jays organization. He played in Major League Baseball (MLB) for the Blue Jays, St. Louis Cardinals, and Baltimore Orioles. Pat Hentgen has hand signed this Baltimore Orioles Authentic MLB New Era Pro Model Wool Cap #41. JSA Hologram #EE63140 and JSA Certificate of Authenticity. Cap Size 7 5/8.