Lavelle Hawkins has been around the NFL long enough to read between the lines.The sixth-year pro from Cal – who spent his first five seasons in the league with the Tennessee Titans – is caught in a numbers game that doesn't seem to be in his favor as he stands by, waiting to learn if he's made the 49ers' 53-man roster for opening day.No matter what happens, however, Hawkins has given it his best shot.On Thursday night in the final exhibition game of the summer in San Diego, Hawkins caught four passes for 62 yards and scored on a 45-yard pass from B.J. Daniels in which he tipped the ball to himself, broke a couple of tackles and outran the Chargers defense.It capped off a three-game tryout with San Francisco in which he caught seven passes for 104 yards (a 14.8-yard average) and also returned a kickoff 105 yards for a touchdown.Head coach Jim Harbaugh has been impressed with Hawkins' playmaking ability, but as of now Hawkins is probably the No. 6 or No. 7 receiver on a team that may only keep five. "The Hawkins play was a highlight play," Harbaugh told the media after Thursday night's game, a 41-6 49ers win. "You like to see him playing his heart out, touching the ball...