ALLEN PARK -- Shaun Hill practiced as the Lions No. 1 quarterback today (Wednesday). That does not mean he will be the starter on Sunday at the Bills, but it’s an indication he is in the mix. Hill broke his non-throwing forearm on Oct. 17 and just started throwing last week.

Matthew Stafford was at practice and was not wearing a sling on his right injured shoulder.

Quarterback Zac Robinson, who was signed as a backup, practiced. Robinson was picked up off the waiver wire from Seattle. He had been a seventh-round pick out of Oklahoma State of the Patriots in April’s draft.

Kicker Dave Rayner (Michigan State) also practiced. He was signed on Tuesday to fill in for Jason Hanson who is expected to miss two to three games with a knee sprain.

Two starting defensive linemen -- Cliff Avril and Corey Williams -- did not practice.

Starting safety C.C. Brown who did not play on Sunday with a knee injury was back at practice.

Others sitting out were: running back Kevin Smith, right guard Stephen Peterman and linebacker/special teams Isaiah Ekejiuba.

(Follow me on Twitter @PaulaPasche.)