'Not done yet': Celtics eye 18th title as Mavs vow to regroup

(Photo credit: Kevin Jairaj-USA TODAY Sports)
DALLAS -- The Boston Celtics have history within their grasp going into Game 4 of the NBA Finals on Friday.

With a win, not only would the Celtics sweep the Dallas Mavericks, they would break a tie with the Los Angeles Lakers for the most NBA championships of all time with 18.

It seems to be amatter of when, not if, Boston closes out the series. The Celtics have been dominan