The 36-year-old who joined Arsenal in June 2015 from Chelsea announced this on his twitter handle @petrcech on Tuesday.
Ọmọ ọdún mẹ́rìndínlògòjì ọ̀hún tí ó dara pọ̀ mọ́ ikọ̀ Arsenal ní oṣù kẹfà ọdùn 2015 láti ikọ̀ agbábọ́ọ̀lù Chelsea kéde èyí lóri ìkànnì twitter rẹ̀ @petrcech ní ọjọ́ ìṣégun.