Ravens' John Urschel shares his love of math with Franklin High students
The Baltimore Sun

Sam Cassell with Boston Celtics

Point guard Sam Cassell (left) joined the Boston Celtics late in the season after his contract with the Los Angeles Clippers was bought out. For Cassell, the 2008 NBA championship was his third. He was added to give Boston more veteran leadership at that position. Cassell also won championships with the Houston Rockets in 1994 and 1995.LUCY NICHOLSON/ POOL, EFE