Bournemouth boss Andoni Iraola has confirmed winger Luis Sinisterra could miss the rest of the season. The Colombia international was forced out of last week's 2-2 home draw against Manchester United in his first match back from a muscle injury. Sinisterra had missed the three previous games and returned to the starting line-up against United, only to aggravate the same problem before being withdrawn shortly before half-time. Iraola told a press conference: 'It's going to be difficult.