From all throughout the Phillies' developmental ranks, here's our weekly rundown of top performers and those players that have struggled recently. Triple A Lehigh Valley IronPigs- Who's hot... Outfielder Darin Ruf has picked up the production with his batting average of late, but has displayed minimal power during that stretch. The 26-year-old righty hitting slugger is batting .306 with only one extra-base hit, a double, while driving in seven runs in his past 10 games. In 75 games with the 'Pigs, Ruf is batting .270 with seven homers and 42 RBI. Who's not... Righty pitcher Tyler Cloyd took his 7th loss of the season on Saturday, when he allowed six earned runs in 6 1/3 innings. The 26-year-old is 0-3 with a 10.69 ERA in three starts for the IronPigs since returning from the majors this month. Double-A Reading Fightins- Who's hot... Outfielder Tyson Gillies has been on a tear, batting .400 with three homers, seven RBI and two steal...