Beckham will sit out Saturday´s SuperLiga clash with Chivas Guadalajara at the Los Angeles Coliseum, having failed to shake off an ankle injury which restricted his Galaxy debut to a cameo performance against Chelsea last Saturday as a 78th-minute substitute.
Yallop said: "Unfortunately, that is football - you can´t guarantee anyone playing."
© Copyright PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms