Wide receiver Calvin Johnson is expected to sit out practice this week with a swollen knee that jeopardizes his availability for Sunday's game at Cleveland.
Head coach Jim Schwartz and quarterback Matt Stafford said not having Johnson last week at Green Bay wasn't the reason the Lions left Wisconsin with yet another loss.
The Browns have the NFL's fourth-ranked defense and are ninth in points allowed. Through five games, opposing quarterbacks have two touchdown passes and a 57.9 completion percentage.
Johnson has 21 receptions for 312 yards and four touchdowns. The team's top wide receiver in terms of catches without Johnson is Kris Durham (eight).