Lions QB Matthew Stafford refuses to make excuses for loss to Packers without top 2 receivers

In this Sunday, Oct. 6, 2013, photo, Green Bay Packers' Clay Matthews, right, sacks Detroit Lions quarterback Matthew Stafford during the third quarter of an NFL football game in Green Bay, Wis. Matthews broke his right thumb during Sunday's 22-9 victory over the Detroit Lions on this play at Lambeau Field. (AP Photo/Jeffrey Phelps) (The Associated Press)

FILE - In this Sunday, Oct. 6, 2013, file photo, Green Bay Packers' Clay Matthews (52) sacks Detroit Lions quarterback Matthew Stafford during the second half of an NFL football game in Green Bay, Wis. Stafford was sacked five times by Green Bay and didn't have his top two receivers on the field. (AP Photo/Morry Gash, File) (The Associated Press)

ALLEN PARK, Mich. – Matthew Stafford says the Detroit Lions' offense can still perform without Calvin Johnson.

It didn't look that way in Sunday's 22-9 loss at Green Bay.

Stafford was sacked five times by the Packers after being sacked a total of just three times in the first four games in part because Detroit's receivers couldn't get open.

Johnson was inactive because of an injured right knee and No. 2 receiver Nate Burleson was out because he broke his left arm in a car accident.

Stafford says he and his teammates have to play better if Johnson can't play Sunday at Cleveland. Johnson couldn't say Tuesday whether he would be healthy enough to be active against the Browns.

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