Matthew Quick, author of Silver Lining Play Book, confirmed today that actor Bradley Cooper is wearing a DeSean Jackson, of the Philadelphia Eagles#10 jersey; and, Jackson will be mentioned in a complimentary manner in the film.
Quick also stated that Hank Bassett (#84) was mentioned in the book in this capacity; however, Jackson will be utilized in the film. [A picture from the trailer is listed above.] The movie is being filmed in Philadelphia, PA.
Contact information for Matthew Quick on Twitter is: @matthewquick21