ManUtd.com's Gemma Thompson is with the squad in Spain for the Europa League clash and you can interact with her on our message board's dedicated thread.
Thursday 15 March (all times are local, Spain is 1 hour ahead of GMT)
18:15 There were loads of Athletic fans gathered outside the stadium when we arrived before, all singing and shouting, and some had even lit a flare or two. I'm sure the Estadio San Mames will be bouncing in about 45 minutes time. That's it from me in Bilbao. Look out for my match report on the site after the game and I'll also bring you post-match reaction from the manager and the players. Thanks for taking time to read the blog - I hope you've enjoyed it. Adios!
18:10 Here are the teams... United: De Gea; Rafael, Evans, Ferdinand, Evra; Park, Carrick, Cleverley, Giggs, Young; Rooney. Subs: Amos, Fabio, Smalling, Pogba, Scholes, Hernandez, Welbeck
Athletic Club: Iraizoz; Iraola, Martinez, Amorebieta, Aurtenetxe; Herrera, Iturraspe, De Marcos; Susaeta, Llorente, Muniain. Subs: Raul, San Jose, Ekiza, Perez, Toquero, Lopez, Gomez
18:09 I'm all set up in the press box. Very different to the usual ones I've been in - it's made up of individual boxes which seat about 18 people in each. All very cosy if you get my drift!
16:35 Right, time for me to say adios for now. I'll be back in touch at the stadium.
16:28 I need to get a wriggle on with my packing as we're leaving for the stadium in just over half an hour. Before I go though, I thought you'd be