CLEVELAND — Looking to take the lead in the quarterback competition, Brady Quinn threw a 51-yard touchdown pass on his first play in the Cleveland Browns scrimmage.

Quinn made a play-action fake, then threw a long arcing pass to Lance Leggett, who beat two defenders to run under the ball a couple of steps into the end zone at Cleveland Browns Stadium on Sunday.

Quinn and Derek Anderson are in a heated competition to become the Browns' starting quarterback. First-year coach Eric Mangini has yet to select a favorite.

Anderson's brown team defeated Quinn's white team, 17-14.

Anderson led a long drive later in the scrimmage, but was intercepted at the goal line by linebacker D'Qwell Jackson. Anderson's pass was intended for tight end Robert Royal, who appeared to be open. But Jackson dropped back in coverage, picked off the pass and returned it 40 yards.

Quinn later threw an interception when his pass went through Leggett's hands and was picked off by defensive back Mike Adams.

Mangini has said throughout training camp that he has no timetable for choosing his starter. The Browns play their first preseason game Saturday in Green Bay.