San Diego Chargers linebacker Shawne Merriman was arrested last night after allegedly roughing up his girlfriend, noted internet person Tila Tequlia. Way to start the season strong, buddy. Merriman, who missed all but one game last season with knee problems, was arrested in front of his own home about 3:45 a.m. this morning after Tequila (sigh) accused him of choking her and restraining her when she tried to leave the house. She went to the hospital, he went to jail. Both have apparently been re