David Ortiz, for several seasons and countless playoff games, has injected Red Sox games with drama and fans with elation, his larger-than-life persona turning him into a near-cartoon hero. On Thursday, Ortiz yesterday reached a nadir. He went 0 for 7 and left 12 men on base, which tied a team record, in a 5-4, 12-inning loss to the Angels and proclaimed to reporters, "I'm sorry, guys. I don't feel like talking right now. Just put down, 'Papi stinks.' " And he hasn't hit a homer yet this season. But that wasn't always the case. In six-plus seasons with the Sox, David Ortiz has 16 walkoff hits, including 10 homers. Here's a look at each of his walkoffs with the Sox ... (slide text by the Globe's Adam Kilgore)