Complex sentence: At 14 and 49 matches, Arsenal hold both the longest winning streak and the longest unbeaten streak; the latter includes the only completely unbeaten season since the 16 match-shorter inaugural Football League season saw Preston North End do it 115 years before.
Split into simpler sentences: At 14 and 49 matches, Arsenal hold both the longest winning streak and the longest unbeaten streak. The latter includes the only completely unbeaten season since the 16 match-shorter inaugural Football League season saw Preston North End do it 115 years before.