[contentcards url=”https://pjmedia.com/benbartee/2023/10/30/graphic-tragic-video-hockey-player-has-throat-slit-by-skate-bleeds-out-on-ice-n4923472″] By BEN BARTEE NOTTINGHAM, England (AP) — American hockey player Adam Johnson, who appeared in 13 NHL games with the Pittsburgh Penguins in…