Complex sentence: Kyrgios was to commence the 2014 season by making his debut at the 2014 Brisbane International after receiving a wildcard, however he withdrew before the commencement due to a shoulder injury.
Split into simpler sentences: Kyrgios was to commence the 2014 season by making his debut at the 2014 Brisbane International after receiving a wildcard. However, he withdrew before the commencement due to a shoulder injury.