From the bottom of the developmental ranks to the upper levels here's all the latest this week... At the Class A level for the Lakewood BlueClaws , as I reported on Twitter on Thursday, infielder Tim Zier is out for the year after undergoing season-ending left knee surgery on Monday. The San Diego State product was injured during pre-game fundamentals/infield work recently. Zier, last year's 21st round draft pick, was batting .264 with two RBI in 15 games with the BlueClaws this year. Reliever Matt Hockenberry , a Temple product, returned from the disabled list on Thursday, after a stint on the disabled list with a right arm strain. In 11 appearances this season, the 23-year-old sports a 1-0 record with six saves, a 1.06 ERA and a .148 batting average against. Outfielder Jiandido Tromp return to action this week as well, after being on the disabled list with a hamstring strain. The 21-year-old Aruba native is batting .183 with three doubles, three triples and eig...