Complex sentence: After graduating from Princeton University, Halpern began his NHL career in the 1999--2000 NHL season for the Washington Capitals; he played in 79 games, scoring 18 goals with 11 assists, and was +21.
Split into simpler sentences: After graduating from Princeton University, Halpern began his NHL career in the 1999--2000 NHL season for the Washington Capitals. He played in 79 games, scoring 18 goals with 11 assists, and was +21.