Complex sentence: Warner signed for Tranmere Rovers on 6 January 2011 until the end of the 2010--11 season and made his club debut on 8 January against Walsall.
Split into simpler sentences: Warner signed for Tranmere Rovers on 6 January 2011 until the end of the 2010--11 season. He made his club debut on 8 January against Walsall.