Complex sentence: On 20 February, 2007, Flinders was sent out on loan again, for one month, this time to Palace's rivals, Brighton & Hove Albion, after their first choice goalkeeper Michel Kuipers was injured.
Split into simpler sentences: On 20 February 2007, Flinders was sent out on loan again. He signed for Palace's rivals, Brighton & Hove Albion, after their first choice goalkeeper Michel Kuipers was injured.