PHILADELPHIA — While most of the Eagles’ attention on Saturday was focused on the late rounds of the NFL draft, another of the Birds’ new players was flying down the track at Franklin Field. Devon Allen, whom the Eagles signed as a free-agent wide receiver in early April, won in the Penn Relays’ Olympic Development men’s 110-meter hurdles competition with a time of 13.11 seconds — breaking a meet record that stood since 1998, and setting a new best time in the world this year. He beat his friend and rival, Jamaica’s Omar McLeod, by just 0.11 seconds. “I think today was awesome, probably the be…