Pedzisa mutsara unotevera: Nebasa rake muAustralia rakaganhurirwa nekukuvara, Drinnen akatamba mwaka yakati wandei sehunyanzvi hweForfarshire muScottish National Cricket League (SNCL), uye akazorovedza timu. Muna Zvita 2003, akagadzwa technical director weScottish Cricket Union (SCU), iro rinotonga mutambo muScotland. Drinnen akashanda pachinzvimbo ichi kusvika muna Ndira 2006, paakabudirira Andy Moles semurairidzi wechikwata chenyika cheScotland. Akadzidzisa Scotland pa
2007 World Cup, nechikwata chisina kukunda mumutambo. Drinnen akasiya basa muna Chikunguru 2007, zvichida asina kufarirwa pakati pemamwe nhengo dzechikwata. Akadzokera kunzvimbo yake yapfuura semutungamiriri wehunyanzvi, nepo Andy Tennant naPeter Steindl vakatora mutambi wechinguva, Steindl achitora chinzvimbo zvachose kubva muna Zvita 2007. Drinnen akagadzwa murairidzi weNetherlands muna Ndira 2008, achitsiva aimbove murairidzi mukuru Peter Cantrell uye achitora basa kubva kumurairidzi anoshanda Paul-Jan Bakker. Akaramba ari pachinzvimbo ichi kusvika paakasiya basa muna Gumiguru 2013, mushure mekudzidzisa divi pa2009 na2012 World Twenty20s, uye 2011 World Cup.