OWINGS MILLS, Md. (AP) -Baltimore Ravens quarterback Steve McNair missed his second consecutive day of practice Friday with a stiff back, and the team will make a decision at game time Sunday whether he will play against the St. Louis Rams.
Backup quarterback Kyle Boller took all the snaps again Friday with the first-team offense.
McNair missed the second game of the season with a groin pull that has hampered him since the season opener in Cincinnati.
``It's just tightened up,'' Ravens coach Brian Billick said of McNair's back. ``I'm not sure the groin didn't lead to some tightness in the back. We'll have to see how he feels at the end of the day today, Saturday and Sunday - game-time decision.''
McNair spoke briefly in the locker room on his way to treatment. Asked if he would be available to start, McNair said, regarding his back: ``It's OK. We'll see. If I can't go, then we've got a good backup in Kyle.''
Boller has completed 33 of 51 passes for 287 yards, two touchdowns and one interception, engineering a 20-13 victory over the New York Jets in his lone start.
``I've gotten a lot of reps in practice and offensively been really into the game plan and watching it on tape. I'll be ready,'' Boller said. ``If he can't go, then I'll just step in there.''
Billick emphasized that there was no quarterback controversy.
``Steve McNair is now and will be my starting quarterback for as long as he can go,'' Billick said.

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