Complex sentence: During his time in UCD he played Gaelic football winning the Sigerson Cup medals in 1917 and 1918, he also played soccer which caused him difficulties with the GAA in the College.
Split into simpler sentences: During his time in UCD he played Gaelic football winning the Sigerson Cup medals in 1917 and 1918. He also played soccer which caused him difficulties with the GAA in the College.