Kammala jumla mai zuwa: Mai kare 6'0 ", Delmore ya buga wasan hockey na matasa don Arewacin Bay Centennials kuma daga baya ga Sarnia Sting na Ontario Hockey League (OHL). Ya tafi ba tare da an tsara shi ba
1997 kuma ya sanya hannu a matsayin 'yan wasa kyauta tare da Philadelphia Flyers, yana yin NHL na farko a lokacin kakar wasa ta 1998-1999. Delmore shi ne mai kare dan wasa na farko da ya yi rikodin hat-trick a cikin wasan kwaikwayo. Har ila yau, ya zira kwallaye a wasan da ya yi nasara a wasan 3 na 2000 Eastern Conference Semifinals kamar yadda Philadelphia ta doke Pittsburgh Penguins, 4 zuwa 3. Yayinda yake wasa da Nashville Predators a lokacin kakar NHL ta 2002-03, ya yi daidai da Sergei Gonchar da Nicklas Lidström don mafi yawan kwallaye (18) ta mai karewa.