Complex sentence: On 11 February 2011, Atieno signed for League Two side Stevenage, and made his debut the next day, starting in their 1--0 away loss at Shrewsbury Town.
Split into simpler sentences: On 11 February 2011, Atieno signed for League Two side Stevenage. He made his debut for Stevenage a day after signing for the club, starting in the club's 1--0 away loss at Shrewsbury Town.