The Detroit Lions made the playoffs for the first time since 1999 as Matthew Stafford threw three touchdown passes in the first half to beat the San Diego Chargers 38-10 Saturday. Detroit (10-5) has won three straight after a seven-game slump to earn a wild-card spot in the playoffs. According to the Chargers (7-8), they will not be in the post-season for a second straight year after making it fiv…