Complex sentence: Mansell said that he had "given it all and more" in the last 10 laps after his pitstop but Senna's car had been "too wide to get past", however, he gave his congratulations to Senna for his race win.
Split into simpler sentences: Mansell said that he had "given it all and more" in the last 10 laps after his pitstop but Senna's car had been "too wide to get past". However, he gave his congratulations to Senna for his race win.