By Andrew Gastelum The Swedish striker was at the center of the newly crowned Italian champions’ party. View the original article to see embedded media. It’s safe to say Zlatan Ibrahimović was fired up Sunday. The Swedish star commemorated AC Milan’s first Serie A title since 2010-11 with a hearty speech to the team in the locker room. Ibrahimović, 40, started by joking that he wasn’t making a retirement speech, before thanking the group and staff for their efforts. “Guys, stay calm. I’m not retiring. It’s not a [goodbye]. Guys, from Day One… when I arrived, and then others arrived after, very…